Abstract
Herpes-T virus was isolated from 2 of 4 clinically ill squirrel monkeys. The clinical manifestations of the disease in the monkeys was characterized by oral and labial lesions. From one of two animals sacrificed for histopathological examination, Herpes-T virus was isolated from the tongue and salivary gland. Herpes-T was isolated from the oral swab of one of the two live monkeys on the day of arrival in our laboratory and again on the 4th day. The anal swabs collected from both these monkeys failed to yield virus. The sera of these monkeys collected on the day of arrival showed a neutralization index (NI) of 1.0 and 1.5 against Herpes-T virus. The convalescent sera, collected two weeks later, showed a NI of 3.5 and 4.0 respectively for the same virus. Clear plaques ranging in size from 2 to 3 mm were produced in chick fibroblast and rabbit kidney primary monolayers. This is the first report of the isolation of Herpes-T virus from naturally infected squirrel monkeys. This data further supports that the squirrel monkey is a natural host of Herpes-T virus.
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