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Studies were conducted on 27 Old World monkeys to determine their susceptibility to pathogenic strains (HB-1 and C-66) of Naegleria fowleri by intranasal, intravenous, or intrathecal inoculation of trophozoites. No clinically detectable disease resulted from either intranasal or intravenous inoculation, but 11 of 18 monkeys inoculated intrathecally(More)
One hundred Macaca mulatta, trapped in India and transported directly to the California Primate Research Center, were surveyed for the prevalence of gastrointestinal helminths. Trichostrongylus sp. was found in 86% of the animals, followed by Strongyloides fulleborni (63%), Streptopharagus sp. (38%), Oesophagostomum sp. (23%) and Anatrichosoma sp. (21%).(More)
A group of wild caught rhesus monkeys and their domestic born infants were examined for Anatrichosoma, a nematode that inhabits the nasal mucosa and subcutaneous tissue of the face, hands, and feet. The diagnosis was made using nasal swabs. Fifty-four percent of the wild caught animals reported positive ina survey taken 3 years earlier were negative based(More)
The overall prognosis of primary amoebic meningoencephalitis remains poor. The results of this study support previous finding that amphotericin B is the most efficacious drug against the Naegleria species in in vitro testing. In addition, the methyl ester of amphotericin B, a new derivative, also appears to be an effective agent. Of the drug combinations(More)
Congenital toxoplasmosis was studied in Macaca arctoides as a model for primates. Time-mated female monkeys were assigned to 5 experimental groups and inoculated with 4 different strains of Toxoplasma gondii before pregnancy and during various stages of gestation. All monkeys showed a rise in indirect hemagglutination antibody (IHA) titers following(More)
Susceptibility to A. culbertsoni was studied in 15 Old World monkeys by intranasal, intravenous, or intrathecal inoculation of trophozoites. No clinically detectable disease resulted from either intranasal or intravenous inoculation, but 4 of 7 monkeys inoculated intrathecally succumbed to acutely fatal meningoencephalitis. Virulence of the ameba varied(More)
Of the 375 wild-caught Old World and New World monkeys examined in this survey, 79 (21%) were infected with Sarcocystis, while 369 laboratory-born animals were negative. Four strucutrally different types of sarcocysts were observed; 2 were probably new species. New host records were recognized for 4 species of Asian macaques, 3 Africican cercopithecids, and(More)