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Sero-epizootiological study on swine influenza in a prefecture of Japan

Published online by Cambridge University Press:  15 May 2009

Y. Ogawa ,
H. Goto ,
T. Hirano ,
K. Shimizu ,
Y. Ohno ,
H. Kuroda  and
H. Hongo
Y. Ogawa
Affiliation:
Department of Veterinary Microbiology, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080, Japan
H. Goto
Affiliation:
Department of Veterinary Microbiology, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080, Japan
T. Hirano
Affiliation:
Department of Veterinary Microbiology, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080, Japan
K. Shimizu
Affiliation:
Department of Veterinary Microbiology, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080, Japan
Y. Ohno
Affiliation:
Toyama East Livestock Hygiene Service Center, Mizuhashi, Toyama 939-05, Japan
H. Kuroda
Affiliation:
Toyama East Livestock Hygiene Service Center, Mizuhashi, Toyama 939-05, Japan
H. Hongo
Affiliation:
Toyama East Livestock Hygiene Service Center, Mizuhashi, Toyama 939-05, Japan
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Summary

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A total of 1799 swine sera collected in Toyama prefecture in the central part of Japan during the years 1978–82 were tested for antibody against swine influenza virus (SIV), A/New Jersey/8/76 (H1N1). A high prevalence of antibody was observed in the years after the severe epizootic of SI, 34·5% in 1979 and 51·7% in 1982. In other years, the percentages of positive sera were low and ranged from 1·7 to 12·4%. Regional variations were seen in relation to a small scale epizootic. No antibody to SIV was detected in any of the sera collected during the warm season. In the following dry and cold winter, however, a severe epizootic occurred among the swine populations.

Type
Research Article
Information
Journal of Hygiene , Volume 90 , Issue 3 , June 1983 , pp. 403 - 406
Copyright
Copyright © Cambridge University Press 1983

References

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