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Medicina (Buenos Aires)

versión On-line ISSN 1669-9106

Resumen

LARRIEU, Edmundo et al. Hantavirus antibodies in rodents and human cases with pulmonary syndrome, Río Negro, Argentina. Medicina (B. Aires) [online]. 2008, vol.68, n.5, pp. 373-379. ISSN 1669-9106.

In Río Negro Province, Argentina, human cases of hantavirus pulmonary syndrome (HPS) appeared in the region of subantartic forests. The Andes virus (ANDV) has been identified in the region both in Oligoryzomys longicaudatus rodents and in humans, with the main transmission being from rodents to humans but also showing the possibility of human to human transmission. Between 1996 and 2004, in 40 campaigns, 29.960 night-traps for capturing live rodents were set up. Blood samples were obtained from the rodents and processed using enzyme immunoassay with recombinant antigens made from ANDV. A total of 1767 rodents were captured, with a capture success of 5.9% and an antibody prevalence of 2.1%. Important differences were observed among the species captured from Andes and Steppe regions. Seropositive Oligoryzomys longicaudatus, Abrotrix olivaceus, Abrotrix xanhtothinus and Loxodontomus microtus were captured. During the 1993-2004 period, 40 HPS cases were registered.

Palabras llave : Hantavirus; Epidemiology; Rodents; Pulmonary syndrome; Andes virus.

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