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Science 13 November 1964:
Vol. 146. no. 3646, pp. 936 - 938
DOI: 10.1126/science.146.3646.936
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Articles

Enzootic Sendai Virus Infections in Mouse Breeder Colonies within the United States

John C. Parker 1, Raymond W. Tennant 1, Thomas G. Ward 1, and Wallace P. Rowe 2

1 Department of Virus Research, Microbiological Associates, Inc., Bethesda, Maryland
2 U. S. Department of Health, Education, and Welfare,, National Institutes of Health, Bethesda, Maryland 20014

Naturally occurring enzootic infections of Sendai virus have been detected by serologic monitoring and virus isolation in mouse breeder colonies from five states in the United States of America. Six of 21 colonies tested were found to be infected with Sendai virus, and the mean incidence of infection within infected colonies was 76 percent. Forty-one of 120 attempts to isolate the virus were successful.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)