First Evidence of Akodon-Borne Orthohantavirus in Northeastern Argentina.

Autor: Burgos EF; Instituto Nacional de Medicina Tropical, Administración Nacional de Laboratorios e Institutos de Salud 'Dr. Carlos G. Malbrán'. Ambar s/n, Puerto Iguazú, Misiones, Argentina.; Consejo Nacional de Investigaciones Científicas y Técnicas, Godoy Cruz 2290, Ciudad Autónoma de Buenos Aires, Argentina., Vadell MV; Instituto Nacional de Medicina Tropical, Administración Nacional de Laboratorios e Institutos de Salud 'Dr. Carlos G. Malbrán'. Ambar s/n, Puerto Iguazú, Misiones, Argentina.; Consejo Nacional de Investigaciones Científicas y Técnicas, Godoy Cruz 2290, Ciudad Autónoma de Buenos Aires, Argentina., Bellomo CM; Instituto Nacional de Enfermedades Infecciosas Administración Nacional de Laboratorios E Institutos de Salud Dr. Carlos G. Malbrán, Buenos Aires, Argentina., Martinez VP; Instituto Nacional de Enfermedades Infecciosas Administración Nacional de Laboratorios E Institutos de Salud Dr. Carlos G. Malbrán, Buenos Aires, Argentina., Salomon OD; Instituto Nacional de Medicina Tropical, Administración Nacional de Laboratorios e Institutos de Salud 'Dr. Carlos G. Malbrán'. Ambar s/n, Puerto Iguazú, Misiones, Argentina.; Consejo Nacional de Investigaciones Científicas y Técnicas, Godoy Cruz 2290, Ciudad Autónoma de Buenos Aires, Argentina., Gómez Villafañe IE; Instituto de Ecología, Genética y Evolución de Buenos Aires (CONICET-UBA). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2160 - Ciudad Universitaria, C1428EGA, Ciudad Autónoma de Buenos Aires, Argentina. isabelgv@ege.fcen.uba.ar.
Jazyk: angličtina
Zdroj: EcoHealth [Ecohealth] 2021 Dec; Vol. 18 (4), pp. 429-439. Date of Electronic Publication: 2021 Nov 01.
DOI: 10.1007/s10393-021-01564-6
Abstrakt: Orthohantaviruses (genus Orthohantavirus, family Hantaviridae) are the etiologic agents of Hantavirus Pulmonary Syndrome in the Americas. In South America, orthohantaviruses are highly diverse and are hosted by sigmodontine rodents (subfamiliy Sigmodontinae, family Cricetidae), an also diverse group of rodents. The aims of this work were to (1) identify orthohantavirus hosts and (2) to study the spatial and temporal variations in the prevalence of infection and their associations with community, environmental and individual characteristics, in different environments of Misiones province, northeastern Argentina. Live-capture sessions were carried out during two years in different land uses, with a trapping effort of 31,653 trap nights. We captured 719 individuals from the species Akodon montensis, Rattus rattus, Mus musculus, Calomys tener, Thaptomys nigrita, Oligoryzomys nigripes, Euryoryzomys russatus, Oligoryzomys flavescens, Brucepattersonius sp., and Juliomys pictipes. Antibodies against orthohantavirus were detected in Akodon montensis in one natural protected and one periurban areas, and it was the most abundant species in almost every study sites. We observed the presence of spatial focality of orthohantavirus infection and a positive association with host abundance suggesting the existence of a threshold density. At the individual level, large, reproductively active, and male individuals were more likely to have antibodies against orthohantavirus. This is the first record of orthohantavirus infection in A. montensis in Argentina, which shows the importance of investigations about emerging diseases.
(© 2021. EcoHealth Alliance.)
Databáze: MEDLINE
Externí odkaz: