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The strains of Rickettsia tsutsugamushi found in naturally infected, laboratory-reared Leptotrombidium (Leptotrombidium) arenicola and L. (L.) fletcheri chiggers were characterized by direct immunofluorescence (FA) and by mouse and monkey virulence tests. The strains existing in the L. (L.) arenicola chiggers consisted of different combinations of TA716,(More)
A jacket and tethering system was used to maintain chronic catheters in monkeys, which provided catheter access and manipulability without further restraint. Surgical placement of catheters and a temperature probe allowed for a common cutaneous exit and interface with the jacket and tether. Monkeys were fitted in a sterile leather or denim jacket which was(More)
We report that the short-term use of various anesthetic agents prior to decapitation causes alteration of the levels of fructose-2,6-bisphosphate in kidney, brain, heart, muscle, and liver. These data indicate that even light anesthesia can not be used when levels of this metabolite are to be determined. Also, it appears that the use of any of these(More)
Minimal clinical and hematologic signs were observed in silvered leaf monkeys inoculated intradermally with four strains of Rickettsia tsutsugamushi, both virulent and avirulent for laboratory mice. The clinical response of the monkeys to the infection was related to neither the virulence of the strains in mice nor the antigenic characteristics of the(More)
Both silvered leaf and cynomolgus monkeys were infected with the Gilliam, Karp and Kato strains of Rickettsia tsutsugamushi. The two species developed similar clinical syndromes, but the antibody responses were greater in cynomolgus monkeys. In both species of monkeys, the Gilliam strain induced more severe clinical manifestations. At 10 months(More)
Acute clinical malaria caused by Plasmodium inui was diagnosed in an adult female cynomolgus monkey (Macaca fascicularis) 4 years after importation into the United States. Stress and immunosuppression associated with experimentation completed 2 weeks earlier may have contributed to the development of severe clinical disease. Clinical findings included(More)
Twenty of 47 recently imported cynomolgus monkeys (Macaca fascicularis) were found to have malarial infections. The agent identified was Plasmodium inui. All infections were subclinical in nature. Parasitemias ranged from 10 to 900 parasites/mm3 of whole blood. Pre- and post-treatment hematologic values were evaluated following treatment with chloroquine.(More)
Hematologic, biochemical, and physiologic indices for a recently imported group of sacred baboons, Papio hamadryas, were studied over a 6-week period. Hematologic values were in agreement with results recorded for other species of baboons. Blood biochemical data were consistent with findings previously reported for other baboons and for man except that(More)