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. 2008 Nov;79(5):647-51.

Vaccinia virus in humans and cattle in southwest region of Sao Paulo state, Brazil

Jane Megid  1 , Camila Michele Appolinário, Hélio Langoni, Edviges Maristela Pituco, Liria Hiromi Okuda
Affiliations
  • PMID: 18981497

Vaccinia virus in humans and cattle in southwest region of Sao Paulo state, Brazil

Jane Megid et al. Am J Trop Med Hyg. 2008 Nov.

Erratum in

  • Am J Trop Med Hyg. 2009 Jan;80(1):165

Abstract

A new outbreak of Vaccinia virus was observed in Southwest region of São Paulo State, Brazil. The disease was observed in four small dairy farms with manual milking. Lesions were detected in cattle and in humans previously vaccinated and not vaccinated against smallpox. Although several reports of Vaccinia virus outbreaks have been occurring in Brazil, it was not yet reported in this region. This outbreak reinforces the viral circulation in our country. The disease in persons previously vaccinated and not vaccinated against smallpox reinforces the absence of immunity, the risk to the human health, and the need for more epidemiologic and immunologic studies.

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