29,626 results match your criteria Enteroviruses

Application of cation exchange chromatography in bind and elute and flowthrough mode for the purification of enteroviruses.

J Chromatogr A 2022 Jun 17;1676:463259. Epub 2022 Jun 17.

Vaccine Process Research and Development, Merck & Co., Inc., Rahway, NJ, USA.

Members of the enterovirus genus are promising oncolytic agents. Their morphogenesis involves the generation of both genome-packed infectious capsids and empty capsids. The latter are typically considered as an impurity in need of removal from the final product. Read More

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Immunogenicity and safety of the inactivated enterovirus 71 vaccine administered concomitantly with the measles-rubella vaccine in infants aged 8 months in China: A noninferiority randomized controlled trial.

Vaccine 2022 Jun 23. Epub 2022 Jun 23.

Guangdong Provincial Institute of Biological Products and Materia Medica, Guangzhou, Guangdong 510440, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangzhou, Guangdong 510315, China. Electronic address:

Background: To evaluate the immunogenicity and safety of simultaneous administration of the enterovirus 71 (EV71) vaccine with the measles and rubella (MR) combined vaccine.

Methods: In this phase 4, randomized, open-label and noninferiority study, a total of 680 infants aged 8 months were enrolled and assigned to the simultaneous administration group (infants received the first dose of EV71 vaccine and MR vaccine on Day 0, and the second dose of EV71 vaccine on Day 28), or the separate administration groups (EV71 group: infants received two doses of EV71 vaccine on Day 0 and Day 28, respectively; MR group: infants received MR vaccine on Day 0). Blood sample was obtained on Day 0 and Day 56 to measure antibody responses to each of the antigens in terms of antibody titer or concentration, respectively. Read More

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The need for wastewater surveillance of enteroviruses in the Philippines.

Lancet Microbe 2022 Jun 22. Epub 2022 Jun 22.

Environment and Biotechnology Division, Department of Science and Technology, Industrial Technology Development Institute, Taguig City 1631, Philippines. Electronic address:

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Advancing Precision Vaccinology by Molecular and Genomic Surveillance of SARS-CoV-2 in Germany, 2021.

Clin Infect Dis 2022 Jun 25. Epub 2022 Jun 25.

Systems Medicine of Infectious Disease (P5), Robert Koch-Institute, Berlin, Germany.

Background: Comprehensive pathogen genomic surveillance represents a powerful tool to complement and advance precision vaccinology. The emergence of the Alpha variant in December 2020 and the resulting efforts to track the spread of this and other SARS-CoV-2 variants of concern led to an expansion of genomic sequencing activities in Germany.

Methods: At Robert Koch Institute (RKI), the German National Institute of Public Health, we established the "Integrated Molecular Surveillance for SARS-CoV-2" (IMS-SC2) network to perform SARS-CoV-2 genomic surveillance at the national scale, SARS-CoV-2 positive samples from laboratories distributed across Germany regularly undergo whole-genome sequencing at RKI. Read More

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Research Progress on Emerging Viral Pathogens of Small Ruminants in China during the Last Decade.

Viruses 2022 Jun 13;14(6). Epub 2022 Jun 13.

Key Laboratory for Veterinary Bio-Product Engineering, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China.

China is the country with the largest number of domestic small ruminants in the world. Recently, the intensive and large-scale sheep/goat raising industry has developed rapidly, especially in nonpastoral regions. Frequent trading, allocation, and transportation result in the introduction and prevalence of new pathogens. Read More

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Molnupiravir and Its Active Form, EIDD-1931, Show Potent Antiviral Activity against Enterovirus Infections In Vitro and In Vivo.

Viruses 2022 May 25;14(6). Epub 2022 May 25.

National Engineering Research Center for the Emergency Drug, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.

Enterovirus infections can cause hand, foot, and mouth disease (HFDM), aseptic meningitis, encephalitis, myocarditis, and acute flaccid myelitis, leading to death of infants and young children. However, no specific antiviral drug is currently available for the treatment of this type of infection. The Unites States and United Kingdom health authorities recently approved a new antiviral drug, molnupiravir, for the treatment of COVID-19. Read More

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Immunogenicity and Safety of an Inactivated Enterovirus 71 Vaccine Administered Simultaneously with Hepatitis B Virus Vaccine, Group A Meningococcal Polysaccharide Vaccine, Measles-Rubella Combined Vaccine and Japanese Encephalitis Vaccine: A Multi-Center, Randomized, Controlled Clinical Trial in China.

Vaccines (Basel) 2022 Jun 2;10(6). Epub 2022 Jun 2.

Shandong Provincial Center for Disease Control and Prevention, Jinan 250014, China.

Background: The aim of this study was to investigate the immunogenicity and safety of the enterovirus 71 vaccine (EV71 vaccine) administered alone or simultaneously.

Methods: A multi-center, open-label, randomized controlled trial was performed involving 1080 healthy infants aged 6 months or 8 months from Shandong, Shanxi, Shaanxi, and Hunan provinces. These infants were divided into four simultaneous administration groups and EV71 vaccine separate administration group. Read More

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Molecular Epidemiology of Enterovirus A71 in Surveillance of Acute Flaccid Paralysis Cases in Senegal, 2013-2020.

Vaccines (Basel) 2022 May 25;10(6). Epub 2022 May 25.

Virology Department, Institut Pasteur de Dakar, 36, Avenue Pasteur, Dakar 220, Senegal.

Enterovirus A71 (EV-A71) is a non-polio enterovirus that currently represents a major public health concern worldwide. In Africa, only sporadic cases have been reported. Acute flaccid paralysis and environmental surveillance programs have been widely used as strategies for documenting the circulation of polio and non-polio enteroviruses. Read More

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Editorial for the Special Issue "Epidemiology of Enterovirus Disease".

Microorganisms 2022 Jun 15;10(6). Epub 2022 Jun 15.

Department of Biomedical Sciences for Health, University of Milan, 20133 Milano, Italy.

Enteroviruses (Enterovirus genus, family) are distributed worldwide and are among the most common causes of human disease globally [... Read More

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Molecular typing of enteroviruses: comparing 5'UTR, VP1 and whole genome sequencing methods.

Pathology 2022 Jun 20. Epub 2022 Jun 20.

Serology and Virology Division (SAViD), NSW Health Pathology East, Department of Microbiology, Prince of Wales Hospital, Randwick, NSW, Australia; Department of Infectious Diseases, Prince of Wales Hospital, Randwick, NSW, Australia; Virology Research Laboratory, Serology and Virology Division (SAViD), New South Wales Health Pathology East, Prince of Wales Hospital, Randwick, NSW, Australia; School of Women's and Children's Health, University of New South Wales, Sydney, NSW, Australia; School of Medical Sciences, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia.

Enteroviruses (EV) commonly cause hand, foot and mouth disease (HFMD), and can also cause potentially fatal neurological and systemic complications. In our laboratory, sequencing 5' untranslated region (UTR) of the viral genome has been the routine method of genotyping EVs. During a recent localised outbreak of aseptic meningitis, sequencing the 5'UTR identified the causative virus as EV-A71, which did not fit with the clinical syndrome or illness severity. Read More

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Survey of Anti-Pathogen Antibody Levels in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome.

Proteomes 2022 Jun 13;10(2). Epub 2022 Jun 13.

Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA.

Infectious pathogens are implicated in the etiology of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) because of the occurrence of outbreaks of the disease. While a number of different infectious agents have been associated with the onset of ME/CFS, the identity of a specific organism has been difficult to determine in individual cases. The aim of our study is to survey ME/CFS subjects for evidence of an infectious trigger and/or evidence of immune dysregulation via serological testing of plasma samples for antibodies to 122 different pathogen antigens. Read More

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Generation of a microRNA-Regulated Oncolytic Coxsackievirus B3.

Methods Mol Biol 2022 ;2521:259-282

Department of Applied Biochemistry, Institute of Biotechnology, Technische Universität Berlin, Berlin, Germany.

The members of the picornavirus family include various viruses which, due to their impressive oncolytic activity, have the potential to be used for the treatment of cancer. However, the replication of these oncolytic viruses (OV) is not limited to tumor cells but can also take place in various normal tissues. To increase the safety of these OV, target sites (miR-TS) of microRNAs, which are expressed in normal tissues but are absent or only expressed at low levels in cancer cells, can be inserted into the viral genome. Read More

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Enterovirus D68 in Hospitalized Children, Barcelona, Spain, 2014-2021.

Emerg Infect Dis 2022 Jul;28(7):1327-1331

To determine molecular epidemiology and clinical features of enterovirus D68 (EV-D68) infections, we reviewed EV-D68-associated respiratory cases at a hospital in Barcelona, Spain, during 2014-2021. Respiratory samples were collected from hospitalized patients or outpatients with symptoms of acute respiratory tract infection or suggestive of enterovirus infection. Enterovirus detection was performed by real-time multiplex reverse transcription PCR and characterization by phylogenetic analysis of the partial viral protein 1 coding region sequences. Read More

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Global emergence of Enterovirus 71: a systematic review.

Beni Suef Univ J Basic Appl Sci 2022 13;11(1):78. Epub 2022 Jun 13.

Centre for Biotechnology, Siksha O Anusandhan (Deemed to Be) University, Kalinga Nagar, Ghatikia, Bhubaneswar, Odisha 751003 India.

Background: Hand, foot, and mouth disease (HFMD) is a viral infection caused by a virus from the enterovirus genus of picornavirus family that majorly affects children. Though most cases of HFMD do not cause major problems, the outbreaks of Enterovirus 71 (EV71) can produce a high risk of neurological sequelae, including meningoencephalitis, lung difficulties, and mortality. In Asia, HFMD caused by EV71 has emerged as an acutely infectious disease of highly pathogenic potential, which demands the attention of the international medical community. Read More

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[Research advances in transmission dynamic models on hand, foot, and mouth disease].

Zhonghua Liu Xing Bing Xue Za Zhi 2022 Jun;43(6):966-973

Department of Epidemiology and Health Statistics, Fudan University, Shanghai 200032, China.

Hand, foot, and mouth disease (HFMD) is a common childhood infectious disease caused by various enteroviruses. China has the most significant number of reported cases and deaths of HFMD over the globe. Understanding the epidemic laws of HFMD can provide a scientific basis for designing prevention and control measures. Read More

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[Analysis of relationship between distribution of pathogenic microorganisms in olfactory cleft and olfactory disorders among patients with upper respiratory inflammation during the prevention and control of COVID-19].

Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2022 Jun;57(6):683-691

Department of Otorhinolaryngology Head and Neck Surgery, Capital Institute of Pediatrics, Beijing 100020, China.

To explore the relationship between pathogens in the olfactory cleft area and olfactory disorders in patients with upper respiratory inflammation (URI) during the prevention and control of 2019 novel coronavirus disease (COVID-19). A total of 234 URI patients including acute upper respiratory infection, chronic rhinosinusitis (CRS), allergic rhinitis (AR) were continuously selected from September 2020 to March 2021 in Beijing Anzhen Hospital and 98 healthy adults were enrolled as controls. The secretions from the olfactory cleft of all subjects were collected with nasal swabs under nasal endoscopy. Read More

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Dynamic alterations of the mice gut virome after Coxsackievirus B3 infection.

J Med Virol 2022 Jun 19. Epub 2022 Jun 19.

Department of Microbiology, Jiangsu University, Zhenjiang, China.

The gut microbiome plays an essential role in the human health and dysbiosis has been implicated in numerous diseases. Coxsackievirus B3 infects millions of humans yearly and yet limited research has explored dynamic alterations of the gut virome after infection. Here, we established the mouse model of Coxsackievirus B3 infection and collected fecal samples at several time points to investigate alterations of the gut virome using viral metagenomic analysis. Read More

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The circulation of Non-SARS-CoV-2 respiratory viruses and coinfections with SARS-CoV-2 during the surge of the Omicron variant.

J Clin Virol 2022 Jun 8;153:105215. Epub 2022 Jun 8.

Johns Hopkins School of Medicine, Division of Medical Microbiology, Department of Pathology, Johns Hopkins University School of Medicine, Meyer B-121F, 600 North Wolfe Street, Baltimore, MD, 21287-7093, United States of America. Electronic address:

Background: In December 2021, the SARS-CoV-2 Omicron variant displaced the Delta variant and caused an unprecedented spike in the numbers of COVID-19 cases. This study reports the positivity rates of circulating non-SARS-CoV-2 respiratory viruses and evaluates coinfections of these viruses with SARS-CoV-2 during the Omicron surge.

Methods: Data from the multiplex respiratory panels used for diagnosis at the Johns Hopkins Microbiology Laboratory were used to assess positivity rates and respiratory virus coinfections in the time frame between November 2021 and February 2022. Read More

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Circulation of enterovirus D68 (EV-D68) causing respiratory illness in New South Wales, Australia, between August 2018 and November 2019.

Pathology 2022 Jun 15. Epub 2022 Jun 15.

Virology Research Laboratory, Serology and Virology Division (SAViD), NSW Health Pathology, Prince of Wales Hospital, Randwick, NSW, Australia; School of Medical Sciences, Faculty of Medicine, University of New South Wales, Kensington, NSW, Australia; School of Women's and Children's Health, University of New South Wales Medicine, Kensington, NSW, Australia; Serology and Virology Division (SAViD), NSW Health Pathology East, Department of Microbiology, Prince of Wales Hospital, Randwick, NSW, Australia.

The incidence of enterovirus D68 (EV-D68) in New South Wales, Australia, is unknown. As part of a state-wide surveillance program, enterovirus positive diagnostic specimens were assessed from patients presenting to hospitals with respiratory and meningitis syndromes from August 2018 to November 2019. Diagnostic enterovirus positive samples were collected from 339 patients and re-extracted followed by targeted PCR across the whole EV-D68 genome (7. Read More

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Childhood encephalitis in the Greater Mekong region (the SouthEast Asia Encephalitis Project): a multicentre prospective study.

Lancet Glob Health 2022 Jul;10(7):e989-e1002

National Institute of Hygiene and Epidemiology, Hanoi, Vietnam.

Background: Encephalitis is a worldwide public health issue, with a substantially high burden among children in southeast Asia. We aimed to determine the causes of encephalitis in children admitted to hospitals across the Greater Mekong region by implementing a comprehensive state-of-the-art diagnostic procedure harmonised across all centres, and identifying clinical characteristics related to patients' conditions.

Methods: In this multicentre, observational, prospective study of childhood encephalitis, four referral hospitals in Cambodia, Vietnam, Laos, and Myanmar recruited children (aged 28 days to 16 years) who presented with altered mental status lasting more than 24 h and two of the following minor criteria: fever (within the 72 h before or after presentation), one or more generalised or partial seizures (excluding febrile seizures), a new-onset focal neurological deficit, cerebrospinal fluid (CSF) white blood cell count of 5 per mL or higher, or brain imaging (CT or MRI) suggestive of lesions of encephalitis. Read More

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Clinical evaluation of the lot-to-lot consistency of an enterovirus 71 vaccine in a commercial-scale phase IV clinical trial.

Hum Vaccin Immunother 2022 Jun 17:2063630. Epub 2022 Jun 17.

Department of Vaccine Clinical Evaluation, Jiangsu Provincial Center of Disease Control and Prevention, Nanjing, Jiangsu, China.

Objective: To evaluate the immunogenicity, safety and lot-to-lot consistency of an inactivated enterovirus 71 (EV71) vaccine cultured in bioreactors with different specifications after full immunization.

Methods: A randomized, double-blind trial was performed in 3,000 children aged 6 ~ 35 months with six vaccine batches, which were prepared in 40 L and 150 L bioreactors for three consecutive batches respectively. Children were immunized on day 0 and 28, serum samples were collected on day 0 and 56, and neutralizing antibody titers were determined by the microcytopathic method. Read More

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Investigation of airport sewage to detect importation of poliovirus, Poland, 2017 to 2020.

Euro Surveill 2022 Jun;27(24)

Department of Virology, National Institute of Public Health NIH - National Institute of Research, Warsaw, Poland.

BackgroundPolioviruses are human pathogens which may easily be imported via travellers from endemic areas and countries where oral polio vaccine (OPV) is still routinely used to polio-free countries. Risk of reintroduction strictly depends on polio immunisation coverage. Sustaining a polio-free status requires strategies that allow rapid detection and control of potential poliovirus reintroductions. Read More

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Early cardiomyopathy without severe metabolic dysregulation in a patient with cblB-type methylmalonic acidemia.

Mol Genet Genomic Med 2022 Jun 16:e1971. Epub 2022 Jun 16.

Department of Genetics and Molecular Medicine, Landspitali University Hospital, Reykjavik, Iceland.

Background: Cardiomyopathy is a known complication of organic acidemias but generally thought to be secondary to poor metabolic control.

Methods: Our patient was found through biochemical testing and Sanger sequencing to harbor an Icelandic founder mutation: NM_052845.4(MMAB):c. Read More

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Priming With Rhinovirus Protects Mice Against a Lethal Pulmonary Coronavirus Infection.

Front Immunol 2022 30;13:886611. Epub 2022 May 30.

Department of Biological Sciences, University of Idaho, Moscow, ID, United States.

Rhinoviruses (RV) have been shown to inhibit subsequent infection by heterologous respiratory viruses, including influenza viruses and severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2). To better understand the mechanisms whereby RV protects against pulmonary coronavirus infection, we used a native murine virus, mouse hepatitis virus strain 1 (MHV-1), that causes severe disease in the lungs of infected mice. We found that priming of the respiratory tract with RV completely prevented mortality and reduced morbidity of a lethal MHV-1 infection. Read More

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Reduction and persistence of co-circulating respiratory viruses during the SARS-CoV-2 pandemic.

Am J Infect Control 2022 Jun 13. Epub 2022 Jun 13.

Clinical Microbiology Laboratory, McLendon Clinical Laboratories, University of North Carolina Medical Center, Chapel Hill, NC; Department of Pathology and Laboratory Medicine, UNC School of Medicine, Chapel Hill, NC.

To evaluate co-circulation of respiratory viruses during the SARS-CoV-2 Alpha surge, we performed a molecular respiratory panel on 1,783 nasopharyngeal swabs collected between January 15 and April 15, 2021 from symptomatic outpatients that tested negative for SARS-CoV-2 in North Carolina. Of these, 373 (20.9%) were positive for at least one virus tested on the panel. Read More

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Genetic Characterization of Novel Oral Polio Vaccine Type 2 Viruses During Initial Use Phase Under Emergency Use Listing - Worldwide, March-October 2021.

MMWR Morb Mortal Wkly Rep 2022 Jun 17;71(24):786-790. Epub 2022 Jun 17.

The emergence and international spread of neurovirulent circulating vaccine-derived polioviruses (cVDPVs) across multiple countries in Africa and Asia in recent years pose a major challenge to the goal of eradicating all forms of polioviruses. Approximately 90% of all cVDPV outbreaks are caused by the type 2 strain of the Sabin vaccine, an oral live, attenuated vaccine; cVDPV outbreaks typically occur in areas of persistently low immunization coverage (1). A novel type 2 oral poliovirus vaccine (nOPV2), produced by genetic modification of the type 2 Sabin vaccine virus genome (2), was developed and evaluated through phase I and phase II clinical trials during 2017-2019. Read More

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Reassessing the Performance of the "Step-By-Step" Approach to Febrile Infants 90 Days of Age and Younger in the Context of the COVID-19 Pandemic: A Multicentric Retrospective Study.

Pediatr Infect Dis J 2022 Jun 15. Epub 2022 Jun 15.

From the Pediatric Emergency Department, Robert Debré University Hospital, Université de Paris, Assistance Publique-Hôpitaux de Paris, Paris, France.

Background: Infants with COVID-19 can often present with fever without source, which is a challenging situation in infants <90 days old. The "step-by-step" algorithm has been proposed to identify children at high risk of bacterial infection. In the context of the COVID-19 pandemic, we aimed to reassess the diagnostic performance of this algorithm. Read More

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Acrylamide fragment inhibitors that induce unprecedented conformational distortions in enterovirus 71 3C and SARS-CoV-2 main protease.

Acta Pharm Sin B 2022 Jun 9. Epub 2022 Jun 9.

NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100076, China.

RNA viruses are critically dependent upon virally encoded proteases to cleave the viral polyproteins into functional proteins. Many of these proteases exhibit a similar fold and contain an essential catalytic cysteine, offering the opportunity to inhibit these enzymes with electrophilic small molecules. Here we describe the successful application of quantitative irreversible tethering (qIT) to identify acrylamide fragments that target the active site cysteine of the 3C protease (3C) of Enterovirus 71, the causative agent of hand, foot and mouth disease in humans, altering the substrate binding region. Read More

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[Evaluation of surface water quality in recreational areas, an integrative proposal of chemical and microbiological markers].

Rev Fac Cien Med Univ Nac Cordoba 2022 06 6;79(2):210-214. Epub 2022 Jun 6.


Climate change affects the interactions between water systems, ecosystems, and the atmosphere. It also increases the risk of the presence of microorganisms which affect the systems that use these resources. The impact of the population on the water resources has become more evident in recent years, highlighting the close relationship between the levels of inorganic components and microbiological contamination of water and community health. Read More

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