human vaccinia-like virus outbreaks in são paulo and goiás states, brazil: virus detection, isolation and identification.since october 2001, the adolfo lutz institute has been receiving vesicular fluids and scab specimens of patients from paraíba valley region in the são paulo and minas gerais states and from são patricio valley, in the goiás state. epidemiological data suggested that the outbreaks were caused by cowpox virus or vaccinia virus. most of the patients are dairy milkers that had vesiculo-pustular lesions on the hands, arms, forearms, and some of them, on the face. virus particles with orthopoxvirus mo ...200415654477
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