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Comprehensive Knowledge of reservoir hosts is Key to Mitigating Future Pandemics

The Innovation 2020年第3期1卷 22-23页

作者： Pingfen Zhu Paul A.Garber Ling Wang Meng Li Katherine Belov Thomas R.Gillespie Xuming Zhou CAS Key Laboratory of Animal Ecology and Conservation Biology Institute of ZoologyBeijing 100101China Department of Anthropology and Program in EcologyEvolutionand Conservation BiologyUniversity of IllinoisUrbanaIL 61801USA School of Life and Environmental Sciences University of SydneyNSW 2006Australia Department of Environmental Sciences and Program in Population Biology Ecologyand Evolutionary BiologyEmory UniversityAtlantaGA 30322USA Department of Environmental Health Rollins School of Public HealthEmory UniversityAtlantaGA 30322USA

Coronavirus disease 2019(COVID-19)and other epidemics(such as severe acute respiratory syndrome[SARS],Ebola,and H1N1)are stark reminders that knowledge of animal behavior and ecosystem health are key to controlling the spread of zoonotic diseases early in their ***,we have very limited information about the set of behavioral and ecological factors that promote viral spillover and the effects that has on ecosystem health and disease ***,expanding our current knowledge of reservoir hosts and pandemics represents an urgent and critical tool in ecological *** also propose to create an integrative database that ranks animal species in terms of their likelihood as hosts for specific infectious *** call for a global and cooperative effort of field and laboratory scientists to create,maintain,and update this information in order to reduce the severity of future pandemics.

关键词： SARS-CoV-2 reservoir hosts database human health

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Preliminary study on investigation of zoonotic visceral leishmaniasis in endemic foci of Ethiopia by detecting Leishmania infections in rodents

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Asian Pacific Journal of Tropical Medicine 2017年第4期10卷 396-400页

作者： Wossenseged Lemma Asrat Bizuneh Habte Tekie Habtamu Belay Hirut Wondimu Aysheshm Kassahun Welelta Shiferaw Meshesha Balkew Ibrahim Abassi Gad Baneth Asrat Hailu Department of Medical Parasitology School of Biomedical and Laboratory SciencesCollege of Medicine and Health SciencesUniversity of Gondar Department of Microbiology Immunology and ParasitologySchool of MedicineAddis Ababa University Department of Zoological Sciences College of Natural ScienceAddis Ababa University Department of Parasitology Faculty of ScienceCharles University in Prague Aklilu Lemma Institute of Pathobiology Addis Ababa University Department of Microbiology and Molecular Genetics the Institute for Medical Research Israel-Canadathe Kuvin Centre for the Study of Infectious and Tropical Diseasesthe Hebrew University-Hadassah Medical School School of Veterinary Medicine Hebrew University

Objective:To investigate the zoonotic visceral leishmaniasis(ZVL) by identification of the most probable reservoir hosts using parasite isolation and analysis of a possible transmission dynamics of the disease in extra-domestic agricultural fields and rural ***:Rodents were collected from selected study sites in kala-azar endemic areas based on information for localities of kala-azar cases for screening of Leshmania infections using parasitological,serological and polymerase chain reaction(PCR) from March.2013 to January,***(Clorketam Veterinary) was used to anaesthesize the rodents according the prescribed dosage(average 2 mg/kg for intra-venous route).The blood obtained using sterile needle was dropped into sterile filter paper and allowed to air dry before sealing in plastic *** tissues from liver,spleen and skin were macerated in Locke's solution before transferring them into NNN *** and touch smears of liver,spleen,skin and bone marrow were prepared for fixing using methanol and staining by Giemsa stain for *** tissues were also ascd for DNA extractions and PCR amplification of Leishmania ***:A total of 335 rodents(13 species) were analyzed by sampling internal *** infection rate by PCR was 11.1%(6/54) for Arvicanthis nilothicas compared to 17.6%(3/17) and 12.5%(2/16) for Acomys cahirinus and Tarera(C) robustus *** all the infections were found from bone marrow samples(8/48 or 16.7%) compared with 1/91(1.1%) liver,2/87(2.2%) spleen and 0/87(0%) *** all study sites with past human VL cases,rodents and proved vectors shared similar ***:Leishmania donovani might circulate among different species of rodents in kala-azar endemic lowlands and valleys of Ethiopia by Phlebotamus orientalis and Phlebotomus *** studies to substantiate the preliminary data on the possible role of these rodents arc urgently needed.

关键词： Zoonotic visceral leishmaniasis Phlebotomus orientalis Phlebotomus martini Leishmania donovani reservoir hosts Ethiopia

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