Brazil has the richest biodiversity of New World primate (NWP) in the Americas, many are endemic and nearly half (48%) with some degree of threat on the IUCN red list. Considering the One Health and the Anthropocene Age, one of the most worrying consequences is the Emergence and/or Reemergence of Infectious Diseases (EDIs and ReDIs). Thus, the metropolitan area of São Paulo is a clear example of the Anthropocene, and also, it is surrounded by Atlantic forest areas, and invaded by NWP that should not be living in urban areas. The risk of disease transmission between these NWP, the invasive and native, and humans are a concern. The present proposal is a serological and molecular surveillance to relevant pathogens that could be or are zoonotic agents, and may lead to outbreaks in humans: hepatitis and arbovirus. The samples were collected from wild animals captured in the wild (Callithrix spp. and Sapajus spp. - from SP; Leontopithecus chrysomelas - from RJ) and animals received in Rehab and Reception Centers in São Paulo city and nearby municipalities (Callithrix spp., Sapajus spp. and Alouatta guariba). The relevance of these viruses are not really known in wild NWP and the study could provide basic epidemiological data of those viruses in the NWP populations, detecting old or new viruses will expand the knowledge of genetic diversity and host range of viruses, also, could contribute to virus natural history.
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