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Occurrence of Taenia species in pigs in slaughterhouses in Phu Tho province, northern Vietnam Instituut voor Tropische Geneeskunde

Thi Thuy Man Nguyen, Veronique Dermauw, John Noh, N. H. Chien, Thi Ha Thanh Dao, Thi Giang Thanh Nguyen, Anke Van Hul, Pierre Dorny

Pigs act as the intermediate hosts of the zoonotic tapewormsTaenia soliumandTaenia asiatica, as well as of the non-zoonoticTaenia hydatigena.In Vietnam, human taeniasis and cysticercosis have been reported throughout the country; however, data on porcine cysticercosis are scarce. Our study aimed to estimate the prevalence ofTaeniaspp. in slaughtered pigs in two districts in Phu Tho, a mountainous province in northern Vietnam from where ...

Identity and diversity of migratory plant-parasitic nematodes on coffee and their sustainable management via crop resistance in Vietnam Universiteit Gent

Phap Trinh Quang
The thesis is a study into plant-parasitic nematodes on coffee in Vietnam with special focus on migratory endoparasitic nematodes of the Pratylenchidae considering their diversity in morphology, morphometrics and molecular features, as well as their pathogenicity on coffee and their suitable management.The survey done at the start of the study considered major coffee producing areas in Vietnam. Twenty-one plant-parasitic nematodes species were ...

Prevalence and risk factors associated with Clonorchis sinensis infections in rural communities in northern Vietnam Instituut voor Tropische Geneeskunde

Thao T B Nguyen, Veronique Dermauw, Hafid Dahma, Dung Thi Bui, Trang T H Le, Ngan T T Phi, Laetitia Lempereur, Bertrand Losson, Olivier Vandenberg, Trung Dung Do, et al.

BACKGROUND: Clonorchiasis, caused by the fish-borne trematode Clonorchis sinensis, is a neglected tropical disease and a public health issue in endemic countries. In Vietnam, an in-depth analysis of risk factors for the condition is missing up to now. This study aimed to determine the prevalence of C. sinensis infection and associated risk factors in rural communities in northern Vietnam.

METHODOLOGY/PRINCIPAL FINDINGS: A ...

Characterization of Plasmodium falciparum and Plasmodium vivax recent exposure in an area of significantly decreased transmission intensity in Central Vietnam Instituut voor Tropische Geneeskunde

Johanna Helena Kattenberg, Annette Erhart, Minh Hieu Truong, Eduard Rovira Vallbona, Khac Anh Dung Vu, Thi Hong Ngoc Nguyen, Van Hong Nguyen, Van Van Nguyen, Melanie Kate Bannister-Tyrrell, Michael Theisen, et al.

BACKGROUND: In Vietnam, malaria transmission has been reduced to very low levels over the past 20 years, and as a consequence, the country aims to eliminate malaria by 2030. This study aimed to characterize the dynamics and extent of the parasite reservoir in Central Vietnam, in order to further target elimination strategies and surveillance.

METHODS: A 1-year prospective cohort study (n = 429) was performed in three rural communities ...

Confirmed Plasmodium vivax resistance to chloroquine in Central Vietnam Instituut voor Tropische Geneeskunde

Vinh Thanh Pham, Nguyen Van Hong, Van Van Nguyen, Melva Louisa, Kevin Baird, Xuan Xa Nguyen, Koen Peeters, Xuan Hung Le, Thanh Duong Tran, Anna Rosanas-Urgell, et al.

Plasmodium vivax resistance to chloroquine (PvCQR) is currently reported in almost all vivax endemic countries. In Vietnam, despite a first report on PvCQR published in the early 2000s, P.vivax was still considered sensitive to CQ. Between May 2009 and December 2011, a 2-year cohort study was conducted in Central Vietnam to assess the recommended radical cure regimen based on a 10-day course Primaquine (0.5mg/kg/day) together with 3 days CQ ...

Micro-epidemiology of malaria in an elimination setting in Central Vietnam Instituut voor Tropische Geneeskunde

Melanie Kate Bannister-Tyrrell, Nguyen Xuan Xa, Johanna Helena Kattenberg, Nguyen Van Van, Vu Khac Anh Dung, Truong Minh Hieu, Nguyen Van Hong, Eduard Rovira Vallbona, Nguyen Thanh Thao, Tran Thanh Duong, et al.

BACKGROUND: In Vietnam, malaria persists in remote forested regions where infections are spatially heterogeneous, mostly asymptomatic and with low parasite density. Previous studies in Vietnam have investigated broad behavioural concepts such as 'engaging in forest activities' as risk factors for malaria infection, which may not explain heterogeneity in malaria risk, especially in malaria elimination settings.

METHODS: A mixed methods ...

Prenatal diagnosis and prevention of toxoplasmosis in pregnant women in Northern Vietnam; study protocol Instituut voor Tropische Geneeskunde

G Suzanne A Smit, Thi Lam Binh Vu, Trung Dung Do, Niko Speybroeck, Brecht Devleesschauwer, Elizaveta Padalko, Ellen Roets, Pierre Dorny

BACKGROUND: In Vietnam, no systematic prenatal toxoplasmosis screening is in place, and only few studies have assessed the prevalence and importance of this zoonotic parasite infection. In addition, no studies have been conducted to assess the risk factors associated with toxoplasmosis. This study protocol was developed to determine the seroprevalence of toxoplasmosis in pregnant women in Hanoi and Thai Binh, Northern Vietnam, and to evaluate ...

Microbial quality of frozen Pangasius hypophthalmus as influenced by industrial processing in Vietnam Universiteit Gent

Anh Ngoc Tong Thi
Pangasius, a freshwater fish, plays an important role in aquaculture in Vietnam. To date, Pangasius products have become appreciated by consumers from different markets all over the world. In European countries Pangasius is commonly marketed in the form of frozen fillets. Despite the booming export of Pangasius products from Vietnam, at the moment very little scientific information is available about the microbiological quality of this product. ...

Involving stakeholders to support sustainable development of the marine lobster aquaculture sector in Vietnam Universiteit Gent

Au Ton Nu Hai, Stijn Speelman
This paper used a combination of the strengths, weaknesses, opportunities and threats analysis and analytical hierarchy process to analyze the challenges and prospects for the sustainable development of marine lobster aquaculture in Vietnam. This analysis was based on the participation of four stakeholder groups including representatives at the provincial level, district level, and commune level and lobster farmers. The results show that ...

Efficacy of dihydroartemisinin/piperaquine and artesunate monotherapy for the treatment of uncomplicated Plasmodium falciparum malaria in Central Vietnam Instituut voor Tropische Geneeskunde

Eduard Rovira Vallbona, Nguyen Van Hong, Johanna Helena Kattenberg, Ro Mah Huan, Nguyen Thi Thu Hien, Nguyen Thi Hong Ngoc, Pieter Guetens, Nguyen Luong Hieu, Tran Tuyet Mai, Nguyen Thi Thuy Duong, et al.

BACKGROUND: Artemisinin-based combination therapies (ACTs) have significantly contributed to reduce Plasmodium falciparum malaria burden in Vietnam, but their efficacy is challenged by treatment failure of dihydroartemisinin/piperaquine ACT in Southern provinces.

OBJECTIVES: To assess the efficacy of dihydroartemisinin/piperaquine for uncomplicated P. falciparum malaria in Gia Lai, Central Vietnam, and determine parasite resistance to ...