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Seroprevalence of orthopoxvirus in an Amazonian rural village, Acre, Brazil

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Abstract

Vaccinia virus strains from the family Poxviridae have been frequently isolated in Brazil and associated with outbreaks of exanthematic disease affecting cows and humans. An ELISA IgG was applied to evaluate the seroprevalence of orthopoxviruses in a community located in a rural settlement in the Amazon region, where no orthopoxvirus outbreaks have yet been reported. An overall seroprevalence of 27.89% was found, and it was 23.38% in the non-vaccinated population (smallpox vaccination). These results strongly suggest that orthopoxviruses circulate in this population, and it is the first finding of seropositivity for orthopoxviruses in a population without any previously reported outbreaks.

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Acknowledgments

The authors are grateful to Kézia K. G. Scopel, João R. dos Santos, Angela S. Lopes, Ilda M.V. Gama, Priscila A. Martins and Andreza de Carvalho. E.G.K, G.S.T P.C.P.F. and C.A.B. are recipients of research fellowships from CNPq. Financial support was provided by CNPq, MAPA, CAPES and FAPEMIG, Brazil.

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Correspondence to E. G. Kroon.

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Mota, B.E.F., Trindade, G.S., Diniz, T.C. et al. Seroprevalence of orthopoxvirus in an Amazonian rural village, Acre, Brazil. Arch Virol 155, 1139–1144 (2010). https://doi.org/10.1007/s00705-010-0675-3

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  • DOI: https://doi.org/10.1007/s00705-010-0675-3

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