Abstract
Hantavirus infections have been described in several regions in Brazil through seroepidemiological studies. Usually, populations are associated with rural and wild environment mainly due to close contact to species of Sigmodontinae rodents, considered hantavirus reservoirs. A retrospective serosurvey was conducted to access the hantavirus seroprevalence in people living in regions affected by bovine vaccinia outbreaks. Sera from 53 patients were analyzed and none of them presented anti-hantavirus IgG antibodies. This study presents an opportunity to analyze seronegativity despite close and recurrent contact with known hantavirus reservoirs. Aspects of hantavirus and bovine vaccinia emergence are also discussed.
Highlights
Hantavirus infections have been described in several regions in Brazil through seroepidemiological studies
Some of the rodent genera associated with hantavirus transmission circulate in areas where other zoonotic virus infections such as bovine vaccinia (BV), caused by Vaccinia virus (VACV, Orthopoxvirus genus, Poxviridae family), have been described[10,11]
Based on the fact that in Minas Gerais cases of BV and hantavirus have been observed in overlapping geographical areas and that the viruses can infect several common rodent hosts[14], we decided to investigate whether a population exposed to VACV at different locations in State of Minas Gerais has been exposed to hantavirus without developing classical clinical symptoms of hantavirus pulmonary syndrome (HPS) or other clinical forms associated with the infection
Summary
Hantavirus infections have been described in several regions in Brazil through seroepidemiological studies. Phone: 55 31 3409-2747; Fax: 55 31 3443-6482 e-mail: giliane@icb.ufmg.br Received 13 February 2014 Accepted 26 June 2014 of rodent species in the transmission of several potential rodentborne emerging pathogens, except for hantavirus, whose host ecology has been successfully investigated in previous years[1].
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