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Infect Immun. 1971 January; 3(1): 87-93
Copyright © 1971 American Society for Microbiology. All Rights Reserved.

Respiratory Pathogens in Monkeys

^a National Center for Primate Biology, University of California, Davis, California 95616

ABSTRACT

Respiratory disease in a dynamic colony of nonhuman primates during a 4-year period was due primarily to infections caused by Klebsiella pneumoniae, Diplococcus pneumoniae, Bordetella bronchiseptica, Pasteurella multocida, and Haemophilus influenzae. The principal secondary invaders were Escherichia coli, Staphylococcus aureus, and streptococci. A high fatality rate was associated with infections caused by each of the primary pathogens, and females appeared to be more susceptible than males. Incidence of respiratory disease was greatest in the fall and early winter; however, at all times newly colonized monkeys had a higher infection rate than conditioned monkeys. Infections were occasionally confined only to the lungs and were sometimes present without grossly observable lung lesions. The information given on susceptibility of 10 species of nonhuman primates to respiratory infections provides a basis for developing disease models.

¹ Present address: Hazleton Laboratories, Box 30, Falls Church, Va. 22046.