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serologic survey for toxoplasma gondii in wild animals in florida.blood samples were collected for serum separation from 114 species of wild animals (25 species of mammals, 82 species of birds, and 7 species of reptiles) in florida. each of the 3,471 samples was tested for antibodies to toxoplasma gondii, using the indirect hemagglutination test. the highest prevalences of t gondii antibodies were 19% in armadillos (dasypus novemcinctus), 18% in raccoons (procyon lotor), 13% in black rats (rattus rattus), and 11% in opossums (didelphis marsupialis). antibody p ...1979521384
rodent ectoparasites from two locations in northwestern florida.from feb.-apr. 1999, 19 species of ectoparasitic arthropods (2 sucking lice, 4 fleas, 4 ticks, 2 mesostigmatid mites, 5 chiggers, 2 fur mites) were recovered from 106 rodents belonging to 5 species (cotton mouse, peromyscus gossypinus, n = 64; cotton rat, sigmodon hispidus, n = 23; eastern woodrat, neotoma floridana, n = 9; golden mouse, ochrotomys nuttalli, n = 9; eastern gray squirrel, sciurus carolinensis, n = 1) at tall timbers research station, leon county, florida. during the same period, ...200011217221
geographic distribution of angiostrongylus cantonensis in wild rats (rattus rattus) and terrestrial snails in florida, usa.the parasitic nematode angiostrongylus cantonensis is a major cause of eosinophilic meningitis in humans, and has been documented in other incidental hosts such as birds, horses, dogs and non-human primates. it is endemic in hawaii, and there have been sporadic reports in the southern continental united states. this parasite uses rats as definitive hosts and snails as intermediate hosts. in this study, we collected potential definitive and intermediate hosts throughout florida to ascertain the g ...201728542310
black creek canal virus infection in sigmodon hispidus in southern florida.a total of 1,500 small mammals were collected and tested for antibodies cross-reactive to sin nombre virus (hantavirus: bunyaviridae) at 89 sites in a 1,600 km2 study area of southern florida. more than 95% of the 123 seropositive animals were cotton rats (sigmodon hispidus), suggesting infection by black creek canal virus, although seroreactive rattus rattus (5 of 294) and peromyscus gossypinus (1 of 39) also were captured. crude seroprevalence in s. hispidus was 11%. seroprevalence increased w ...19989840584
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