2,933 results match your criteria Psittacosis


Chlamydial diversity and predictors of infection in a wild Australian parrot, the Crimson Rosella (Platycercus elegans).

Transbound Emerg Dis 2020 Jun 30. Epub 2020 Jun 30.

School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, 75 Pigdons Road, Waurn Ponds, VIC, 3216, Australia.

Members of the Chlamydia genus are known to cause disease in both humans and animals. A variety of other species in the order Chlamydiales are increasingly being discovered and emerging as potential pathogens, yet there are scarce data on the diversity, prevalence and impacts of these pathogens in wild birds. To address this gap, we investigated which Chlamydiales species are present in a wild population of a common Australian parrot, the Crimson Rosella (Platycercus elegans). Read More

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http://dx.doi.org/10.1111/tbed.13703DOI Listing

Evaluation of a tandem Chlamydia psittaci Pgp3 multiepitope peptide vaccine against a pulmonary chlamydial challenge in mice.

Microb Pathog 2020 May 13;147:104256. Epub 2020 May 13.

Institute of Pathogenic Biology, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang, China; Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, 421001, China. Electronic address:

Chlamydia psittaci is the pathogen of psittacosis, and it has emerged as a significant public health threat. Because most infections are easily overlooked, a vaccine is recognized as the best solution to control the spread of C. psittaci. Read More

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http://dx.doi.org/10.1016/j.micpath.2020.104256DOI Listing

Next-generation sequencing diagnosis of severe pneumonia from fulminant psittacosis with multiple organ failure: a case report and literature review.

Ann Transl Med 2020 Mar;8(6):401

Department of Respiratory and Critical Care Medicine, Shenzhen People's Hospital, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University, Shenzhen Institute of Respiratory Diseases, Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen 518020, China.

This study includes a retrospective analysis of the diagnosis and treatment of a case of severe pneumonia from fulminant psittacosis with multiple organ failure. Next-generation sequencing (NGS) of the pathogen was conducted. The purpose of this study was to summarize the clinical, laboratory, and imaging characteristics of the case and to improve understanding of the value of NGS in the diagnosis of severe community-acquired pneumonia (CAP). Read More

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http://dx.doi.org/10.21037/atm.2020.03.17DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7186658PMC

Metagenomic next-generation sequencing in the diagnosis of severe pneumonias caused by Chlamydia psittaci.

Infection 2020 Apr 20. Epub 2020 Apr 20.

Department of Critical Care Medicine, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No. 321 Zhongshan Road, Nanjing, 210008, Jiangsu Province, China.

Purpose: Chlamydia psittaci infection in humans can lead to serious clinical manifestations, including severe pneumonia, adult respiratory distress syndrome, and, rarely, death. Implementation of metagenomic next-generation sequencing (mNGS) gives a promising new tool for diagnosis. The clinical spectrum of severe psittacosis pneumonia is described to provide physicians with a better understanding and to highlight the rarity and severity of severe psittacosis pneumonia. Read More

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http://dx.doi.org/10.1007/s15010-020-01429-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7223968PMC

Human psittacosis in Japan: notification trends and differences in infection source and age distribution by gender, 2007 to 2016.

Ann Epidemiol 2020 Apr 25;44:60-63. Epub 2020 Mar 25.

Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan.

Purpose: Psittacosis is a bacterial zoonosis caused by Chlamydia (Chlamydophila) psittaci that infects birds. Although potentially fatal, infections can be reduced by controlling the source of infection. We therefore described the epidemiology of psittacosis, focusing on the infection source. Read More

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http://dx.doi.org/10.1016/j.annepidem.2020.03.001DOI Listing

Chlamydia psittaci in fulmars on the Faroe Islands: a causative link to South American psittacines eight decades after a severe epidemic.

Microbes Infect 2020 Mar 3. Epub 2020 Mar 3.

Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, SE-751 85 Uppsala, Sweden; Department of Clinical Microbiology, Uppsala University Hospital, SE-751 85 Uppsala, Sweden. Electronic address:

A psittacosis epidemic linked to fulmar hunting occurred on the Faroe Islands in the 1930s. This study investigates a plausible explanation to the 20% human mortality in this outbreak. Phylogenetic analysis showed that Chlamydia psittaci isolated from fulmars were closely related to the highly virulent 6BC strains from psittacines and are compatible with an acquisition by fulmars of an ancestor of the 6BC clade in the 1930s. Read More

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http://dx.doi.org/10.1016/j.micinf.2020.02.007DOI Listing

Animal sources for zoonotic transmission of psittacosis: a systematic review.

BMC Infect Dis 2020 Mar 4;20(1):192. Epub 2020 Mar 4.

Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, the Netherlands.

Background: Human psittacosis, caused by Chlamydia (C.) psittaci, is likely underdiagnosed and underreported, since tests for C. psittaci are often not included in routine microbiological diagnostics. Read More

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http://dx.doi.org/10.1186/s12879-020-4918-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7057575PMC

Gestational psittacosis: A case report and literature review.

J Obstet Gynaecol Res 2020 May 19;46(5):673-677. Epub 2020 Feb 19.

Department of Obstetrics and Gynecology, Shiga University of Medical Science Hospital, Otsu, Japan.

Gestational psittacosis is a rare disease that is associated with significant maternal and fetal morbidity and mortality. Currently, there is no examination method which allows for a quick diagnosis. We report a case of gestational psittacosis that could not be diagnosed as psittacosis during treatment and resulted in maternal and fetal death despite intensive treatment. Read More

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http://dx.doi.org/10.1111/jog.14217DOI Listing

Data of genome assembly of the strain isolated from the livestock in Volga Region, Russian Federation.

Data Brief 2020 Apr 27;29:105190. Epub 2020 Jan 27.

Department of Pathology, Department of Microbiology & Immunology, University of Texas Medical Branch (UTMB), Galveston, TX 77555, USA.

are obligate intracellular bacteria globally widespread across humans, wildlife, and domesticated animals. is a primarily zoonotic pathogen with multiple hosts, which can be transmitted to humans, resulting in psittacosis or ornithosis. Since this pathogen is a well-recognized threat to human and animal health, it is critical to unravel in detail the genetic make-up of this microorganism. Read More

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http://dx.doi.org/10.1016/j.dib.2020.105190DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7015991PMC

[Investigation and Genotyping of Chlamydia psittaci ompA Gene in Pigeon (Columbia domestica) Feces].

Mikrobiyol Bul 2020 Jan;54(1):144-153

Hatay Mustafa Kemal University Faculty of Veterinary, Department of Veterinary Microbiology, Hatay, Turkey.

Avian chlamydiosis, is a highly contagious, systemic disease occuring in domestic and wild birds. Chlamydia psittaci, the causative agent of the disease, is a gram-negative bacterium in the Chlamydiaceae family that can only live within the cell. The agent can be transmitted directly to humans by contact with infected animals or feces of infected animals. Read More

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http://dx.doi.org/10.5578/mb.68757DOI Listing
January 2020

Recent history of psittacosis in Australia: expanding our understanding of the epidemiology of this important globally distributed zoonotic disease.

Intern Med J 2020 02;50(2):246-249

Department of Microbiology and Infectious Diseases, New South Wales Health Pathology, Nepean Hospital, Penrith, New South Wales, Australia.

Psittacosis is a human systemic disease caused by infection with Chlamydia psittaci. Shortly after reports emerged of a global pandemic associated with contact with imported parrots, Australian researchers including Macfarlane Burnet and others demonstrated that C. psittaci was widespread in Australian parrots. Read More

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http://dx.doi.org/10.1111/imj.14726DOI Listing
February 2020

Chlamydiaceae in wild, feral and domestic pigeons in Switzerland and insight into population dynamics by Chlamydia psittaci multilocus sequence typing.

PLoS One 2019 30;14(12):e0226088. Epub 2019 Dec 30.

National Reference Centre for Poultry and Rabbit Diseases (NRGK), Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.

Feral pigeons, common wood pigeons and Eurasian collared doves are the most common representatives of the Columbidae family in Switzerland and are mostly present in highly populated, urban areas. Pigeons may carry various members of the obligate intracellular Chlamydiaceae family, particularly Chlamydia (C.) psittaci, a known zoonotic agent, and C. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0226088PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6936790PMC

Challenges in using serological methods to explore historical transmission risk of in a workforce with high exposure to equine chlamydiosis.

Commun Dis Intell (2018) 2019 12 16;43. Epub 2019 Dec 16.

Health Protection, Hunter New England Health, Wallsend, NSW; School of Medicine and Public Health, University of Newcastle, NSW.

Introduction: This report describes the challenges encountered in using serological methods to study the historical transmission risk of from horses to humans.

Methods: In 2017, serology and risk factor questionnaire data from a group of individuals, whose occupations involved close contact with horses, were collected to assess the seroprevalence of antibodies to and identify risk factors associated with previous exposure.

Results: 147 participants were enrolled in the study, provided blood samples, and completed a questionnaire. Read More

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http://dx.doi.org/10.33321/cdi.2019.43.65DOI Listing
December 2019

Timeliness of infectious disease reporting, the Netherlands, 2003 to 2017: law change reduced reporting delay, disease identification delay is next.

Euro Surveill 2019 Dec;24(49)

Centre for Infectious Diseases, Leiden University Medical Centre, Leiden, the Netherlands.

BackgroundTimely notification of infectious diseases is essential for effective disease control and needs regular evaluation.AimOur objective was to evaluate the effects that statutory adjustments in the Netherlands in 2008 and raising awareness during outbreaks had on notification timeliness.MethodsIn a retrospective analyses of routine surveillance data obtained between July 2003 and November 2017, delays between disease onset and laboratory confirmation (disease identification delay), between laboratory confirmation and notification to Municipal Health Services (notification delay) and between notification and reporting to the National Institute for Public Health and the Environment (reporting delay) were analysed for 28 notifiable diseases. Read More

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http://dx.doi.org/10.2807/1560-7917.ES.2019.24.49.1900237DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6905299PMC
December 2019

Simultaneous Intramuscular And Intranasal Administration Of Chitosan Nanoparticles-Adjuvanted Vaccine Elicits Elevated Protective Responses In The Lung.

Int J Nanomedicine 2019 8;14:8179-8193. Epub 2019 Oct 8.

Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Institution of Pathogenic Biology, Hengyang Medical College, University of South China, Hengyang 421001, People's Republic of China.

Background: is a zoonotic bacteria closely associated with psittacosis/ornithosis. Vaccination has been recognized as the best way to inhibit the spread of due to the majority ignored of infections. The optimal vaccine was obstructed by the defect of single immunization route and the lack of availability of nontoxic and valid adjuvants. Read More

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http://dx.doi.org/10.2147/IJN.S218456DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6790120PMC
December 2019

Psittacosis Outbreak among Workers at Chicken Slaughter Plants, Virginia and Georgia, USA, 2018.

Emerg Infect Dis 2019 11;25(11):2143-2145

During August-October, 2018, an outbreak of severe respiratory illness was reported among poultry slaughter plant workers in Virginia and Georgia, USA. A multiorganizational team investigated the cause and extent of illness, determined that the illness was psittacosis, and evaluated and recommended controls for health hazards in the workplace to prevent additional cases. Read More

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http://dx.doi.org/10.3201/eid2511.190703DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6810211PMC
November 2019
1 Read

MOMP and MIP DNA-loaded bacterial ghosts reduce the severity of lung lesions in mice after Chlamydia psittaci respiratory tract infection.

Immunobiology 2019 11 6;224(6):739-746. Epub 2019 Sep 6.

College of Public Health, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China; Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, 28 West Changsheng Rd., Hengyang, Hunan 421001, China. Electronic address:

Chlamydia psittaciis a well known zoonotic pathogen that can lead to severe respiratory disease in poultry, pet birds and humans. Development of an effective and safe vaccine would be the most effective way to control C. psittaci infection. Read More

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http://dx.doi.org/10.1016/j.imbio.2019.09.002DOI Listing
November 2019
2 Reads

Chlamydia psittaci infection as a cause of respiratory disease in neonatal foals.

Equine Vet J 2020 Mar 25;52(2):244-249. Epub 2019 Sep 25.

Veterinary Clinical Centre, School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia.

Background: During 2016-2018, 15 critically ill neonatal foals with acute respiratory distress associated with Chlamydia psittaci infection were presented to three referral hospitals in New South Wales. Chlamydia psittaci has not previously been associated with the development of neonatal respiratory disease.

Objectives: To investigate and describe the clinical features and outcome of C. Read More

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http://dx.doi.org/10.1111/evj.13170DOI Listing
March 2020
2 Reads

Disease surveillance in wild Victorian cacatuids reveals co-infection with multiple agents and detection of novel avian viruses.

Vet Microbiol 2019 Aug 18;235:257-264. Epub 2019 Jul 18.

School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW 2678, Australia. Electronic address:

Wild birds are known reservoirs of bacterial and viral pathogens, some of which have zoonotic potential. This poses a risk to both avian and human health, since spillover into domestic bird populations may occur. In Victoria, wild-caught cockatoos trapped under licence routinely enter commercial trade. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S03781135193053
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http://dx.doi.org/10.1016/j.vetmic.2019.07.012DOI Listing
August 2019
6 Reads
2.511 Impact Factor

Case report: Possible psittacosis in a military family member-clinical and public health management issues in military settings.

MSMR 2019 Jul;26(7):2-7

infection among humans (psittacosis) and pet birds (avian chlamydiosis), also known as parrot disease, parrot fever, and ornithosis, is a zoonotic bacterial disease. Humans most often become infected by inhaling the organism when urine, respiratory secretions, or dried feces of infected birds are dispersed in the air as very fine droplets or dust particles. infection of humans can cause influenza-like symptoms, such as fever of abrupt onset, pronounced headache, and dry cough, and can lead to severe pneumonia and non-respiratory health problems. Read More

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July 2019
12 Reads

SURVEILLANCE FOR SPP. WITH MULTILOCUS SEQUENCE TYPING ANALYSIS IN WILD AND CAPTIVE BIRDS IN VICTORIA, AUSTRALIA.

J Wildl Dis 2020 01 22;56(1):16-26. Epub 2019 Jul 22.

Asia Pacific Centre for Animal Health, Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Corner Park Drive and Flemington Road, Parkville, Victoria 3010, Australia.

typically infects birds and can cause outbreaks of avian chlamydiosis, but it also has the potential to cause zoonotic disease (psittacosis) in humans. To better understand the epidemiology of in Victoria, Australia, we conducted opportunistic sampling of more than 400 wild and captive birds presented to the Australian Wildlife Health Centre at Zoos Victoria's Healesville Sanctuary for veterinary care between December 2014 and December 2015. Samples were screened for the presence of chlamydial DNA using quantitative PCR, and positive samples were subjected to multilocus sequence typing analysis. Read More

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January 2020
8 Reads

Isolation and Characterization of Avian from Symptomatic Pet Birds in Southern Hunan, China.

Avian Dis 2019 03;63(1):31-37

Institute of Pathogenic Biology, Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control and Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang 421001, China,

is a zoonotic pathogen with multiple hosts, especially avian, and can be transmitted to humans, causing psittacosis or ornithosis. No effective vaccines have been developed. We therefore isolate and genotype avian strains and investigate the pathogenicity of isolates in the southern Hunan area of China. Read More

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http://dx.doi.org/10.1637/11932-071718-Reg.1DOI Listing
March 2019
12 Reads

A parrot-type Chlamydia psittaci strain is in association with egg production drop in laying ducks.

Transbound Emerg Dis 2019 Sep 18;66(5):2002-2010. Epub 2019 Jun 18.

Guangdong Provincial Animal Virus Vector Vaccine Engineering Technology Research Center, College of Animal Science, South China Agricultural University, Guangzhou, China.

Chlamydophila psittaci (C. psittaci) is an avian pathogen associated with systemic wasting disease in birds, as well as a public health risk. Although duck-related cases of psittacosis have been reported, the pathogenicity and shedding status of C. Read More

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http://dx.doi.org/10.1111/tbed.13248DOI Listing
September 2019
18 Reads

Detection of Genotypes Among Birds in Northeast Iran.

J Avian Med Surg 2019 03;33(1):22-28

Department of Clinical Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.

We determined the prevalence of genotypes in asymptomatic and symptomatic birds in northeast Iran. Samples were collected from 11 species of Psittaciformes and 1 species of Columbiformes from 2015 to 2016. Choanal cleft and cloacal swab samples, fresh fecal samples, and/or tissue samples of 70 symptomatic and 130 asymptomatic birds were collected and tested by molecular detection (nested polymerase chain reaction [PCR] testing specific for ). Read More

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http://dx.doi.org/10.1647/2017-334DOI Listing
March 2019
5 Reads

A Bird's-Eye View of Chronic Unilateral Conjunctivitis: Remember about .

Microorganisms 2019 Apr 30;7(5). Epub 2019 Apr 30.

Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.

causes psittacosis in humans, mainly in people in contact with birds in either the setting of occupational or companion bird exposure. Infection is associated with a range of clinical manifestations from asymptomatic infection to severe atypical pneumonia and systemic disease. has also been associated with ocular adnexal lymphoma in human patients. Read More

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http://dx.doi.org/10.3390/microorganisms7050118DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6560389PMC
April 2019
8 Reads

[Human Psittacosis: A Case Report].

Acta Med Port 2019 Feb 28;32(2):161-164. Epub 2019 Feb 28.

Serviço de Doenças Infeciosas. Centro Hospitalar do Porto. Porto. Portugal.

Psittacosis is a rare disease caused by Chlamydophila psittaci, an intracellular bacteria transmitted by contaminated birds. The clinical and radiological presentations are nonspecific. We describe a case of a 42-year-old woman, with known exposure to birds, who presented to the emergency department with one-week evolution of myalgia, polyarthritis, and respiratory symptoms. Read More

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http://dx.doi.org/10.20344/amp.10079DOI Listing
February 2019
12 Reads

Human psittacosis: a review with emphasis on surveillance in Belgium.

Acta Clin Belg 2020 Feb 18;75(1):42-48. Epub 2019 Mar 18.

Laboratory for Immunology and Animal Biotechnology, Ghent University, Ghent, Belgium.

causes psittacosis in humans, mainly in persons in contact with birds in either the setting of occupational or companion bird exposure. Infection is associated with a range of clinical manifestations from asymptomatic infection to severe atypical pneumonia and systemic disease. This paper reviews new knowledge on psittacosis, its legal and regulatory aspects and presents epidemiological data on psittacosis in Belgium. Read More

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http://dx.doi.org/10.1080/17843286.2019.1590889DOI Listing
February 2020
11 Reads

Pets in modern society: hidden threats.

Ter Arkh 2018 Nov;90(11):105-111

Central Research Institute of Epidemiology, Federal Supervision Service for Consumer Rights Protection and People's Welfare, Moscow, Russia.

The article discusses the problem of the role of pets as a source of zoonotic infections, representing a hidden threat to modern society. Since the content is now very popular at home, both traditional and exotic animals, it is necessary to develop an interdisciplinary program to control the spread of zoonotic infections and the risks of their infection with people. Since the problem lies in the intersection of several disciplines, joint efforts of doctors, veterinarians, health organizers and laboratory specialists are necessary. Read More

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http://dx.doi.org/10.26442/terarkh20189011105-111DOI Listing
November 2018
30 Reads

Customs officers in relation to viral infections, tuberculosis, psittacosis and environmental health risk.

Exp Ther Med 2019 Feb 10;17(2):1149-1153. Epub 2018 Dec 10.

Department of Virology, School of Medicine, University of Crete, 71110 Heraklion, Greece.

Customs Service is a financial authority responsible for controlling the flow of importation and exportation goods in each country and for collecting the relevant taxes. Customs officers are considered as 'high-demand' and 'high-responsibility' governmental officials, which constitute members of multidisciplinary teams at the local, as well as international level and collaborate with different authorities, including medical officers. Despite limited data in the medical literature, customs officers are considered as a 'high-risk' occupational group for infections and environmental health risk. Read More

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http://dx.doi.org/10.3892/etm.2018.7077DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6327673PMC
February 2019
16 Reads

Persistence: A Survival Strategy to Evade Antimicrobial Effects and .

Front Microbiol 2018 12;9:3101. Epub 2018 Dec 12.

CIBICI-CONICET, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina.

The comprise a group of highly adapted bacterial pathogens sharing a unique intracellular lifestyle. Three species are pathogenic to humans: , and . is the leading bacterial cause of sexually-transmitted infections and infectious blindness worldwide. Read More

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http://dx.doi.org/10.3389/fmicb.2018.03101DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6299033PMC
December 2018
13 Reads

Scavenger birds exploiting rubbish dumps: Pathogens at the gates.

Transbound Emerg Dis 2019 Mar 28;66(2):873-881. Epub 2018 Dec 28.

Grupo de Investigaciones en Biología de la Conservación, Laboratorio Ecotono, INIBIOMA, Universidad Nacional del Comahue - CONICET, San Carlos de Bariloche, Argentina.

Different bacteria are present in rubbish dumps used as food resources by various bird species. Birds may be good indicators of the presence of zoonotic diseases in these sites since they can be infected with zoonotic pathogens by foraging on organic waste, and can also act as carriers. We studied if foraging in rubbish dumps increases the occurrence of Salmonella spp. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1111/tbed.13097
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http://dx.doi.org/10.1111/tbed.13097DOI Listing
March 2019
58 Reads

[Laboratory diagnosis of rare diseases].

Lakartidningen 2018 11 27;115. Epub 2018 Nov 27.

Klinisk kemi och Klinisk och experimentell medicin, Linköpings Universitet - Linköping , Sweden -.

Psittacosis (parrot fever) is underdiagnosed in Sweden, possibly due to lack of awareness, and the fact that only five out of 24 clinical microbiology laboratories routinely perform the PCR test for Chlamydia psittaci. The test has shown 100% sensitivity and 100% sensitivity for the pathogen in samples from the lower part of the respiratory tract which caters for a high predictive value in patients with symptoms and signs of community-acquired atypical pneumonias, provided optimal patient selection. Knowledge and awareness of treatable rare diseases amongst healthcare personnel combined with conveniently available cost-effective diagnostic techniques is essential for improvements in the handling of rare diseases. Read More

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November 2018
39 Reads

[Psittacosis - a forgotten diagnosis in Sweden?]

Lakartidningen 2018 11 27;115. Epub 2018 Nov 27.

Clinical Microbiology - Karolinska Universitetssjukhuset Solna, Sweden Clinical Microbiology - Karolinska Universitetssjukhuset Solna, Sweden.

Psittacosis, parrot fever, is an infectious disease caused by Chlamydophila psittaci, a common pathogen among birds. The clinical course ranges from a mild flu-like illness to severe disease that requires intensive care in humans. We report three cases of severe pneumonia where C. Read More

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November 2018
25 Reads

[Features distinguishing ornithosis from avian acute hypersensitivity pneumonitis - a retrospective analysis].

Rev Mal Respir 2019 Mar 22;36(3):298-306. Epub 2018 Nov 22.

Service des maladies infectieuses et de réanimation médicale, CHU de Rennes, 35043 Rennes, France; Inserm-CIC-1414, faculté de médecine, IFR 140, université de Rennes I, 35033 Rennes, France.

Introduction: The aim of our study was to compare the features at diagnosis in patients with ornithosis to patients with avian acute hypersensitivity pneumonitis (HP). Clinical, biological and radiological differences could potentially help clinicians to distinguish these diseases.

Methods: We conducted a retrospective study on patients admitted from 2000 to 2016 in three hospitals. Read More

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http://dx.doi.org/10.1016/j.rmr.2017.11.013DOI Listing
March 2019
7 Reads

A recombinant multi-epitope peptide vaccine based on MOMP and CPSIT_p6 protein protects against Chlamydia psittaci lung infection.

Appl Microbiol Biotechnol 2019 Jan 23;103(2):941-952. Epub 2018 Nov 23.

Institution of Pathogenic Biology, Medical College, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, 421001, China.

Chlamydia psittaci is an obligate intracellular pathogen with a broad host range that can lead to severe infectious disease by transferring from birds to humans. Vaccination has been considered the best way to prevent chlamydial infection; nevertheless, there is currently still no commercially available vaccine that can inhibit the spread of C. psittaci. Read More

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http://dx.doi.org/10.1007/s00253-018-9513-4DOI Listing
January 2019
47 Reads

Risk factors associated with Chlamydia psittaci infections in psittacine birds and bird handlers.

J Appl Microbiol 2019 Feb 23;126(2):402-410. Epub 2018 Nov 23.

Division of Infectious Diseases, Department of Animal Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig City, Egypt.

Aims: The aim of this study was to determine the prevalence and potential risk factors associated with Chlamydia psittaci infections in psittacine birds and bird handlers in Egypt.

Methods And Results: A total of 190 swabs were collected from psittacine birds (n = 120) and bird handlers (n = 70) and were tested by polymerase chain reaction to detect the C. psittaci ompA gene. Read More

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http://doi.wiley.com/10.1111/jam.14136
Publisher Site
http://dx.doi.org/10.1111/jam.14136DOI Listing
February 2019
11 Reads
2.479 Impact Factor

Localization and characterization of a putative cysteine desulfurase in Chlamydia psittaci.

J Cell Biochem 2019 03 27;120(3):4409-4422. Epub 2018 Sep 27.

Institute of Pathogenic Biology, Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, China.

Chlamydia psittaci is an obligate intracellular pathogen with a biphasic developmental life cycle. It is auxotrophic for a variety of essential metabolites and obtains amino acids from eukaryotic host cells. Chlamydia can develop inside host cells within chlamydial inclusions. Read More

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http://doi.wiley.com/10.1002/jcb.27727
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http://dx.doi.org/10.1002/jcb.27727DOI Listing
March 2019
35 Reads
3.260 Impact Factor

Chlamydophila psittaci pneumonia associated to exposure to fulmar birds (Fulmaris glacialis) in the Faroe Islands.

Infect Dis (Lond) 2018 Nov - Dec;50(11-12):817-821. Epub 2018 Sep 21.

a Medical Department, Infectious Diseases Division , National Hospital Faroe Islands , Tórshavn , Faroe Islands.

Background: For more than 200 years people in the Faroe Islands have supplemented their food by hunting different species of wild birds in the Faroe Islands. Traditionally, juvenile fulmars (Fulmarus glacialis) are caught at sea in late August. The fulmars may be infected or colonized with the bacterium Chlamydophila psittaci which may infect the hunter by the respiratory route and mostly presents as an atypical pneumonia, also called psittacosis or ornithosis or parrot fever. Read More

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https://www.tandfonline.com/doi/full/10.1080/23744235.2018.1
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http://dx.doi.org/10.1080/23744235.2018.1495840DOI Listing
April 2019
18 Reads

Laboratory methods for case finding in human psittacosis outbreaks: a systematic review.

BMC Infect Dis 2018 Aug 30;18(1):442. Epub 2018 Aug 30.

Centre for Infectious Diseases, Epidemiology and Surveillance, Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands.

Background: Psittacosis outbreak investigations require rapid identification of cases in order to trace possible sources and perform public health risk assessments. In recent outbreaks in the Netherlands, such investigations were hampered by the non-specificity of laboratory testing methods to identify human Chlamydia psittaci infections.

Method: A systematic search of PubMed and Scopus databases of literature published between 01 January, 1986 and 03 July, 2017 was done to find best practices of laboratory-testing methods used in psittacosis outbreaks of two or more human cases. Read More

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https://bmcinfectdis.biomedcentral.com/articles/10.1186/s128
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http://dx.doi.org/10.1186/s12879-018-3317-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6118005PMC
August 2018
50 Reads

Gestational Psittacosis Resulting in Neonatal Death Identified by Next-Generation RNA Sequencing of Postmortem, Formalin-Fixed Lung Tissue.

Open Forum Infect Dis 2018 Aug 22;5(8):ofy172. Epub 2018 Aug 22.

The University of Utah School of Medicine, Salt Lake City, Utah.

Psittacosis is a rare zoonosis that can cause severe disease and adverse outcomes during pregnancy. We identified a previously elusive case of psittacosis causing premature delivery and infant death by next-generation RNA sequencing of postmortem tissues. Hypothesis-free pathogen detection in postmortem specimens can increase the yield of epidemiologic and cause-of-death studies. Read More

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http://dx.doi.org/10.1093/ofid/ofy172DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6105100PMC
August 2018
16 Reads

Immunization with Chlamydia psittaci plasmid-encoded protein CPSIT_p7 induces partial protective immunity against chlamydia lung infection in mice.

Immunol Res 2018 08;66(4):471-479

Institution of Pathogenic Biology, Medical College, University of South China, Hengyang, 421001, China.

The present study evaluated the immune-protective efficacy of the Chlamydia psittaci (C. psittaci) plasmid protein CPSIT_p7 and analyzed the potential mechanisms of this protection. The current study used recombinant CPSIT_p7 protein with Freund's complete adjuvant and Freund's incomplete adjuvant to vaccinate BALB/c mice. Read More

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http://dx.doi.org/10.1007/s12026-018-9018-3DOI Listing
August 2018
37 Reads

Virulence-related comparative transcriptomics of infectious and non-infectious chlamydial particles.

BMC Genomics 2018 Aug 2;19(1):575. Epub 2018 Aug 2.

Department of Cell and Molecular Biology, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute (HKI), Beutenbergstraße 11A, 07745, Jena, Germany.

Background: Members of the phylum Chlamydiae are obligate intracellular pathogens of humans and animals and have a serious impact on host health. They comprise several zoonotic species with varying disease outcomes and prevalence. To investigate differences in virulence, we focused on Chlamydia psittaci, C. Read More

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https://bmcgenomics.biomedcentral.com/articles/10.1186/s1286
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http://dx.doi.org/10.1186/s12864-018-4961-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6090853PMC
August 2018
41 Reads

Detection and molecular characterization of Chlamydia psittaci and Chlamydia abortus in psittacine pet birds in Buenos Aires province, Argentina.

Rev Argent Microbiol 2019 Apr - Jun;51(2):130-135. Epub 2018 Jul 14.

Cátedra de Patología de Aves y Pilíferos, Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, Argentina.

In order to determine the presence and genetic diversity of Chlamydia spp. in the north-eastern area of Buenos Aires province, Argentina, conjunctival, oropharyngeal, cloacal swab and tissues were collected from a total of 90 psittacine pet birds of different age and clinical manifestations. Through molecular methods, Chlamydiaceae was detected in 30% (27/90) of the samples, out of which 70. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S03257541183005
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http://dx.doi.org/10.1016/j.ram.2018.04.003DOI Listing
January 2020
13 Reads

Wild and domestic bird faeces likely source of psittacosis transmission-A case-control study in Sweden, 2014-2016.

Zoonoses Public Health 2018 11 8;65(7):790-797. Epub 2018 Jul 8.

The Public Health Agency of Sweden, Stockholm, Sweden.

Psittacosis is a zoonotic disease transmitted by birds. In Sweden, where psittacosis is notifiable, an average of eight cases per year were reported between 2002 and 2012. In 2013, an unusual increase in cases in southern Sweden was associated with exposure to wild birds. Read More

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http://dx.doi.org/10.1111/zph.12492DOI Listing
November 2018
36 Reads

Chlamydiosis in farmed chickens in Slovakia and zoonotic risk for humans.

Ann Agric Environ Med 2018 Jun 23;25(2):320-325. Epub 2018 Feb 23.

Department of Epidemiology, Faculty of Medicine, Pavol Jozef Šafárik University, Košice, Slovakia.

Introduction: Chlamydia psittaci is an obligate intracellular Gram-negative bacterium causing respiratory disease (chlamydiosis) or asymptomatic carriage in poultry. In humans, it is a zoonotic agent of ornithosis/psittacosis. Due to low awareness of the disease and variable clinical presentation, psittacosis is often remains unrecognised as such by general practitioners. Read More

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http://dx.doi.org/10.26444/aaem/82948DOI Listing
June 2018
49 Reads

A Psittacosis Outbreak among English Office Workers with Little or No Contact with Birds, August 2015.

PLoS Curr 2018 Apr 27;10. Epub 2018 Apr 27.

Public Health England East Midlands, Nottingham, United Kingdom.

Introduction: On 14th August 2015 an office manager informed Public Health England of five employees known to have been diagnosed with pneumonia over the previous three weeks. We investigated to establish whether an outbreak occurred and to identify and control the source of infection.

Methods: We undertook case finding for self-reported pneumonia cases at local businesses (July-August 2015). Read More

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http://dx.doi.org/10.1371/currents.outbreaks.b646c3bb2b4f0e3397183f31823bbca6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5951689PMC
April 2018
56 Reads

Chlamydia psittaci and C. avium in feral pigeon (Columba livia domestica) droppings in two cities in the Netherlands.

Vet Q 2018 Dec 5;38(1):63-66. Epub 2018 Jun 5.

b Department of Bacteriology and Epidemiology , Wageningen Bioveterinary Research , Lelystad , The Netherlands.

Background: Feral pigeons (Columba livia domestica) live and breed in many city centres and contact with their droppings can be a hazard for human health if the birds carry Chlamydia psittaci.

Objective: The aim of this study was to establish whether pigeon droppings in two Dutch cities (Utrecht and Haarlem) contain C. psittaci and/or C. Read More

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http://dx.doi.org/10.1080/01652176.2018.1482028DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6831002PMC
December 2018
27 Reads