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Scientific Communication • Arq. Inst. Biol. 83 • 2016 • https://doi.org/10.1590/1808-1657000202014 linkcopy

Open-access Prevalence of antibodies to equine alphaviruses in the State of Pará, Brazil

Prevalência de anticorpos para alphavirus em equinos do estado do Pará, Brasil

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    ABSTRACT:

    The State of Pará comprises 26% of Brazilian Amazon region, where a large diversity of arboviruses has been described. This study sought to assess the prevalence and distribution of hemagglutination inhibition (HI) antibodies against antigens of four alphaviruses (Togaviridae: Alphavirus ) from the species: Eastern equine encephalitis (EEEV), Western equine encephalitis (WEEV), Mayaro virus (MAYV), and Mucambo virus (MUCV) in 753 serum samples of horses in Pará State, Brazil. All investigated arboviruses were detected and indicate that horses are susceptible to these alphaviruses, and show evidences of their active circulation in farm animals in the Brazilian Amazon.

    Keywords: Eastern equine encephalitis virus; Western equine encephalitis virus; Mayaro virus; Mucambo virus; hemagglutination inhibition test

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    Instituto Biológico Av. Conselheiro Rodrigues Alves, 1252 - Vila Mariana - São Paulo - SP, 04014-002 - São Paulo - SP - Brazil
    E-mail: arquivos@biologico.sp.gov.br
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