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Serological survey of Toxoplasma gondii in captive nonhuman primates in zoos in Spain

AuthorsCano-Terriza, David; Almería, Sonia; Caballero-Gómez, Javier; Díaz-Cao, José. M.; Jiménez-Ruiz, Saúl; Dubey, Jitender P.; García-Bocanegra, Ignacio
KeywordsToxoplasma gondii
Issue Date2019
CitationComparative Immunology, Microbiology and Infectious Diseases 65: 54-57 (2019)
AbstractToxoplasma gondii is a widely distributed zoonotic protozoan parasite, which can affect most warm-blooded species. Some species of non-human primates (NHPs) are highly susceptible to T. gondii infection. The aim of the study was to determine the seroprevalence and risk factors associated with T. gondii infection in NHPs housed in zoos in Spain. Sera from 189 NHPs belonging to 33 species were collected in eight zoos. Additionally, 10 of the 189 animals were longitudinally sampled. Anti-T. gondii antibodies were detected in 48 NHPs (25.4%; confidence interval of 95% (CI95%): 19.2–31.6) using a modified agglutination test (MAT; cut-off = 25). Seropositive animals had titers of 25 (6.3%), 50 (8.3%), 100 (8.3%) and ≥500 (68.8%). Seropositivity was detected in 15 of the 33 species (45.5%). Of the 10 NHPs sampled more than once, two animals (one Barbary macaque [Macaca sylvanus] and one common chimpanzee [Pan toglodytes]) seroconverted along the study period, while one seropositive chimpanzee increased antibody titers over time. The Hominidae family (OR = 5.9; CI95%: 2.7–12.8) and sex (females) (OR = 2.1; CI95%: 1.1–4.1) were risk factors potentially associated with seropositivity to T. gondii. Our results evince a widespread circulation of T. gondii in NHPs in zoos in Spain, which may be of conservation concern. Control measures should be implemented to minimize the risk of exposure of these species to T. gondii.
Publisher version (URL)https://doi.org/10.1016/j.cimid.2019.04.002
Appears in Collections:(IREC) Artículos
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