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Parasite 2021 18;28:53. Epub 2021 Jun 18.

Department of Parasitology, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Hokkaido, Japan.

Taeniasis remains a prevalent public health problem in Thailand. National helminthiasis surveys report only the incidence of Taenia spp. eggs. Read More

BMJ Case Rep 2021 Jun 8;14(6). Epub 2021 Jun 8.

Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India.

Cysticercosis is a tropical infection caused by the larval form of and is usually known to affect the central nervous system. We report a young man who presented with a swelling in the neck and was treated with surgical excision and antihelminthics. Read More

Turkiye Parazitol Derg 2021 06;45(2):146-148

University Hospital Centre Zagreb Faculty of Medicine, Department of Surgery, Zagreb, Croatia

A 65-year-old man, with signs of acute colon obstruction, was diagnosed with rectal tumour and liver hydatid cyst. Additionally, a focal liver lesion in segment 1 was detected. Moreover, physical examination revealed hepatomegaly and abdominal distension. Read More

Turkiye Parazitol Derg 2021 06;45(2):117-120

İlçe Tarım ve Orman Müdürlüğü, Parazitoloji Birimi, Muğla, Türkiye

Objective: This study was carried out to investigate the prevalence, seasonal distribution and economic effects of hydatid cyst infection in slaughtered cattle of Muğla province.

Methods: Data from the 2019 records of the Muğla Metropolitan Municipal Abattoir were studied retrospectively. Both direct and indirect calculation methods were used to determine the economic losses incurred due to hydatid cyst. Read More

Exp Parasitol 2021 Jun 8:108121. Epub 2021 Jun 8.

Department of Pharmacy, The First Affiliated Hospital, Xinjiang Medical University, Urumqi, Xinjiang, PR China; State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, PR China. Electronic address:

Cystic echinococcosis (CE), a parasitic larval cystic stage of a small taeniid-type tapeworm (Echinococcus granulosus), causes illness in intermediate hosts and has become a threat to global public health. Currently, chemical compounds recommended by the WHO targeting CE are albendazole and mebendazole, however, none of them shows enhanced efficacy. Novel molecular compounds are urgently required to treat this disease. Read More

J Biomed Nanotechnol 2021 May;17(5):910-920

Department of Immunology, College of Basic Medicine, Xinjiang Medical University, Xinjiang 830011, PR China.

Cystic Echinococcosis (CE) is caused by ), which endangers the health of the intermediate host. Therefore, effective canid vaccines against infection are urgently needed to reduce the incidence of this disease. In the present work, the aim was to predict epitopes in four vaccine candidate antigens (VCAs) in as a basis to design a multi-epitope canine-directed vaccine. Read More

Rev Bras Parasitol Vet 2021 31;30(2):e027420. Epub 2021 May 31.

Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil.

This study aimed to evaluate the occurrence of endoparasites in fecal samples of capybaras from anthropized areas in seven cities in the state of São Paulo, southeastern Brazil, and natural areas in two locations in the Pantanal biome. For the parasitological evaluation of samples, feces were subjected to centrifugal sedimentation in water-ether and centrifugal flotation in sucrose solution. Out of the 113 samples examined, 97. Read More

Cochrane Database Syst Rev 2021 06 1;6:CD000215. Epub 2021 Jun 1.

Institute of Neurology, Madras Medical College, Chennai, India.

Background: Neurocysticercosis is a parasitic infection of the central nervous system by the larval stage of the pork tapeworm and is a common cause of seizures and epilepsy in endemic areas. Anthelmintics (albendazole or praziquantel) may be given alongside supportive treatment (antiepileptics/analgesia) with the aim of killing these larvae (cysticerci), with or without corticosteroid treatment. However, there are potential adverse effects of these drugs, and the cysticerci may eventually die without directed anthelminthic treatment. Read More

Pathog Glob Health 2021 May 24:1-8. Epub 2021 May 24.

Department of Parasitology, Asahikawa Medical University, Asahikawa, Japan.

Information on age-based taeniasis prevalence is crucial for control of cysticercosis. taeniasis prevalence was determined for a village in Liangshan Prefecture, Sichuan Province, China that was co-endemic for , and . Individuals who were egg-positive by stool microscopy and/or expelled tapeworms or proglottids post-treatment were diagnosed as having taeniasis. Read More

Parasitol Res 2021 Jun 22;120(6):1993-2001. Epub 2021 May 22.

Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovak Republic.

A new genus, Megancestus n. gen., is proposed to accommodate the caryophyllidean tapeworm Biacetabulum carpiodi Mackiewicz, 1969 from carpsuckers and quillback (Carpiodes spp. Read More

Nature 2021 May;593(7860):480

Front Vet Sci 2021 26;8:626579. Epub 2021 Apr 26.

College of Life Science and Technology, Xinjiang University, Urumqi, China.

, a globally distributed parasite, is a canine tapeworm and causes huge economic losses in the food industry. Using LC-MS/MS, the proteomes of cyst scolex, designated as CS, and the cyst without the scolex, designated as CWS, were profiled and a total of 764 different proteins were identified, 664 of which were identified in CS, 412 identified in CWS, and 312 in both. Comparative analysis revealed that CS had more abundant proteins associated with growth and development, while CWS had more abundant proteins constituting a scaffolding and protective extracellular matrix. Read More

Am J Case Rep 2021 May 13;22:e928355. Epub 2021 May 13.

Department of Surgery, Faculty of Medicine, Lebanese University, Beirut, Lebanon.

BACKGROUND The global burden of Taenia saginata (T. saginata), the beef tapeworm, includes economic loss, and its pathogenicity is considered mild. T. Read More

Korean J Parasitol 2021 Apr 22;59(2):179-182. Epub 2021 Apr 22.

Institute of Parasitic Diseases, Korea Association of Health Promotion, Seoul 07649, Korea.

Human infection with Taenia asiatica or a hybrid between Taenia saginata and T. asiatica has not been reported in Cambodia. We detected for the first time a hybrid form between T. Read More

Biosensors (Basel) 2021 Apr 25;11(5). Epub 2021 Apr 25.

Infectious and Tropical Disease Research Center, Tabriz University of Medical Sciences, Tabriz 51666-14766, Iran.

Human echinococcosis is a serious parasitic diseasethat still affects millions of people in many parts of the world. Since it can offer a critical threat to people's health, it is important to discover a rapid, convenient, and economical method for detection. Herein, we propose a novel point of care assay, namely, an enhanced immuno-dot-blot assay for diagnosis of cystic echinococcosis (hydatidosis). Read More

Medicina (B Aires) 2021 ;81(2):166-172

Instituto Nacional de Microbiología, ANLIS Dr. Carlos G. Malbrán, Buenos Aires, Argentina.

Hydatidosis - caused by the parasite Echinococcus granulosus - is a zoonosis endemic to the province of Santa Cruz, associated with areas of livestock production. Once infected, man may remain asymptomatic for a prolonged period but the disease has an important impact on public health owing to the complexity and costs of its treatment. This study aimed at assessing the prevalence of environmental E. Read More

Neurol India 2021 Mar-Apr;69(2):385-391

Department of Neurology, All India Institute of Medical Sciences, New Delhi, India.

Background: Solitary cysticercus granuloma (SCG) appearing as a single ring-enhancing lesion (SREL) is the most frequently encountered imaging finding in patients of neurocysticercosis (NCC) in India and during follow-up, most of SCGs resolve with or without calcifications. Recurrent SCG have been rarely reported.

Objectives: The aim of our study is to report the incidence of recurrent SCG in a cohort of patients with SCG and postulate the hypothesis. Read More

Mikrobiyol Bul 2021 Apr;55(2):248-255

Hacettepe University, School of Health Services, Medical Laboratory Programme, Ankara, Turkey.

Some of the pathogenic microorganisms have been associated with cancer due to the activation of cancer precursors in the host because of the inflammatory processes. Additionally, some other pathogens prevents the tumor formation by creating an anti-neoplastic immune response which has been reported to stop the development of cancer. Cystic echinococcosis (CE) or cyst hydatid disease (CHD) is a zoonotic infection caused by the larval form of Echinococcus granulosus sensu lato in humans. Read More

BMC Infect Dis 2021 Apr 17;21(1):359. Epub 2021 Apr 17.

Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.

Background: The epidemiology of human cysticercosis and neurocysticercosis, caused by the larval stage of the pork tapeworm Taenia solium, is not well known in the Democratic Republic of Congo (DRC). Within a multicenter etiological and diagnostic study conducted by the NIDIAG consortium ("Better Diagnosis for Neglected Infections") and investigating several challenging syndromes, we consecutively evaluated from 2012 to 2015 all patients older than 5 years presenting with neurological disorders (neurology cohort) and with fever > 7 days (persistent fever cohort) at the rural hospital of Mosango, province of Kwilu, DRC. In both cohorts, etiological diagnosis relied on a systematic set of reference laboratory assays and on pre-established clinical case definitions. Read More

Parasitol Res 2021 Jun 17;120(6):2077-2086. Epub 2021 Apr 17.

Parasitology Unit 190p, Institute of Biology, University of Hohenheim, Emil-Wolff-Straße 34, 70599, Stuttgart, Germany.

We report on the genetic identity of 36 Echinococcus cysts that were collected during a recent slaughterhouse survey of 810 locally bred camels (dromedaries) in the Eastern Province of the Kingdom of Saudi Arabia. Analysis of a partial nad1 gene sequence showed that the majority (n = 29) belonged to E. granulosus sensu stricto, four to E. Read More

BMJ Case Rep 2021 Apr 7;14(4). Epub 2021 Apr 7.

Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.

This case study is a rare example of cardiac hydatidosis in a high-income country, where a middle-aged man presented with a ruptured right ventricular cyst causing anaphylaxis, pulmonary emboli and dissemination of throughout the lung. He survived the cyst rupture and underwent cardiac surgery but had incomplete resection and experienced progressive cardiopulmonary hydatidosis despite antihelminthic therapy. As a result, he experienced an array of cardiopulmonary sequelae over his lifespan. Read More

Parasitol Res 2021 Jun 31;120(6):2275-2279. Epub 2021 Mar 31.

Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, Zagreb, Croatia.

Tapeworms of the genus Mesocestoides (Cestoda: Cyclophyllidea: Mesocestoididae) are still enigmatic to scientists, due to their high morphological variability, low host specificity, and unknown details of their life cycle. They are found worldwide, with carnivorous mammals as the main definitive hosts, and the disease is potentially zoonotic. After ingestion by a definitive host, the tetrathyridium can occasionally migrate through the intestinal wall and reach the peritoneal cavity or abdominal organs causing peritoneal metacestodosis. Read More

J Int Med Res 2021 Mar;49(3):300060521993980

Department of Pathology, Xiangya Changde Hospital, Changde, Hunan, China.

Objectives: Liver echinococcosis is a severe zoonotic disease caused by (tapeworm) infection, which is epidemic in the Qinghai region of China. Here, we aimed to explore biomarkers and establish a predictive model for the diagnosis of liver echinococcosis.

Methods: Microarray profiling followed by Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analysis was performed in liver tissue from patients with liver hydatid disease and from healthy controls from the Qinghai region of China. Read More

PLoS Negl Trop Dis 2021 03 30;15(3):e0009296. Epub 2021 Mar 30.

Parasitology, Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway.

Zootaxa 2021 Jan 6;4903(1):zootaxa.4903.1.8. Epub 2021 Jan 6.

Department of Ecology Evolutionary Biology, University of Connecticut, 75 N. Eagleville Rd., Storrs, CT 06269-3043, USA..

Two new species of the cestode genus Caulobothrium, collected from the duckbill eagle ray, Aetomylaeus bovinus, off Senegal, are described. Although postulated as sister taxa in an earlier molecular phylogenetic analysis, Caulobothrium multispelaeum n. sp. Read More

Sci Rep 2021 Mar 9;11(1):5492. Epub 2021 Mar 9.

Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovak Republic.

Gyrocotylideans are evolutionary ancient parasitic flatworms, and like their hosts-a relict group of holocephalan fishes (Chimaeriformes)-they are considered to be "living fossils" of a vanished past. However, the species diversity, host associations and biogeography of these most basal tapeworms are poorly known. Herein, we provide evidence of a conspicuous contrast between the genetic and morphological data based on an examination of newly collected and properly processed Gyrocotyle specimens (hologenophores) isolated from holocephalans off Taiwan and Argentina. Read More

J Parasit Dis 2021 Mar 26;45(1):197-203. Epub 2020 Oct 26.

Department of Microbiology and Parasitology, The Persian Gulf Tropical and Infectious Diseases Research Center, Bushehr University of Medical Sciences, Salman Farsi St, Bushehr, Iran.

Hydatid cyst is one of the parasitic zoonoses caused by infection with the larval stage of tapeworm. The spread of this parasite is global and is of great importance in terms of public health. To date, ten different species of this parasite have been identified that differ in characteristics such as life cycle, epidemiology and pathogenesis. Read More

Int J Paleopathol 2021 Jun 18;33:61-71. Epub 2021 Mar 18.

Department of Archaeology, University of Cambridge, The Henry Wellcome Building, Fitzwilliam Street, Cambridge, CB2 1QH, UK.

Objective: This study aims to investigate parasitic infection in Italy during the Roman period (27 BCE-476 CE) and subsequent Longobard (Lombard) period (6th-8th CE).

Materials: Sediment samples from drains and burials from Roman Imperial-period sites in Italy (Lucus Feroniae, Oplontis, Vacone, and Vagnari), Late Antique and Longobard-period burials at Selvicciola (ca. 4th-8th CE), and Longobard-period burials at Vacone and Povegliano Veronese. Read More

Parasitol Res 2021 May 20;120(5):1903-1908. Epub 2021 Mar 20.

ANSES LRFSN, Wildlife Surveillance and Eco-epidemiology Unit, National Reference Laboratory for Echinococcus spp, 54220, Malzéville, France.

The tapeworm Echinococcus multilocularis is the causative agent of alveolar echinococcosis, the most serious parasitic disease for humans in Europe. In Europe, the E. multilocularis lifecycle is based on a prey-predator relationship between the red fox and small rodents. Read More

Vaccine 2021 04 16;39(15):2035-2040. Epub 2021 Mar 16.

University of Melbourne, Faculty of Veterinary and Agricultural Sciences, 250 Princes Highway, Werribee, Victoria 3030, Australia.

Three recombinant Taenia ovis antigens (To45, To16, To18) each induce protective immunity in lambs or ewes against infection with T. ovis metacestodes. The degree and duration of immunity were assessed in lambs born from vaccinated ewes. Read More