This study presents 35 negative serologies for antibodies anti-T. gondii in free-living primates from Central Amazonia. Our results suggest that these populations have not had contact with the parasite and, therefore, do not have antibodies. This was the first study surveying T. gondii in Cacajao, Callicebus, Pithecia, and Saguinus monkeys.
Keywords: One Health; modified agglutination test; monkeys; toxoplasmosis; zoonoses.
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