transmission study of andes hantavirus infection in wild sigmodontine rodents.our study was designed to contribute to an understanding of the timing and conditions under which transmission of andes hantavirus in oligoryzomys longicaudatus reservoir populations takes place. mice were caged in test habitats consisting of steel drums containing holding cages, where seronegative rodents were exposed to wild seropositive individuals by freely sharing the same cage or being separated by a wire mesh. tests were also performed for potential viral transmission to mice from excreme ...200415479837
ecology, genetic diversity, and phylogeographic structure of andes virus in humans and rodents in chile.andes virus (andv) is the predominant etiologic agent of hantavirus cardiopulmonary syndrome (hcps) in southern south america. in chile, serologically confirmed human hantavirus infections have occurred throughout a wide latitudinal distribution extending from the regions of valparaíso (32 to 33 degrees s) to aysén (46 degrees s) in southern patagonia. in this study, we found seropositive rodents further north in the coquimbo region (30 degrees s) in chile. rodent seroprevalence was 1.4%, with o ...200919116256
seasonal variation in prevalence of antibody to hantaviruses in rodents from southern argentina.we conducted a small mammal trapping study to investigate temporal variation in prevalence of infection in hantavirus reservoir populations in the patagonian andes mountain range, rio negro province, argentina. rodent blood samples collected in natural and periurban habitats and at the home of an hantavirus pulmonary syndrome (hps) case patient were analysed by enzyme-linked immunosorbent assay. organ tissue samples were tested by polymerase chain reaction (pcr) and nucleotide sequence analysis. ...200111679129
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