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The effect of repeated vaccination in an enzootic foot-and-mouth disease area on theincidence of virus carrier cattle

Published online by Cambridge University Press:  15 May 2009

E. C. Anderson ,
W. J. Doughty  and
J. Anderson
E. C. Anderson
Affiliation:
Wellcome Institute for Research on Foot-and-Mouth Disease, Embakasi, Kenya
W. J. Doughty
Affiliation:
Wellcome Institute for Research on Foot-and-Mouth Disease, Embakasi, Kenya
J. Anderson
Affiliation:
Wellcome Institute for Research on Foot-and-Mouth Disease, Embakasi, Kenya
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Summary

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A comparison was made of the incidence of foot-and-mouth disease virus 'carrier' cattle in an unvaccinated enzootic area and an area where routine 6-monthly vaccination with an inactivated vaccine had been carried out for 3–4 years. The incidence of carriers in the vaccinated area was 0·49% as compared to 3·34% in the non-vaccinated area. The results indicate that, provided the immune status of the vaccinated herd is maintained at a level sufficient to prevent outbreaks of clinical disease and the re-introduction of virus is prevented through livestock movement controls, it should be possible to eradicate the disease from an enzootic area through vaccination.

Type
Research Article
Information
Journal of Hygiene , Volume 73 , Issue 2 , October 1974 , pp. 229 - 235
Copyright
Copyright © Cambridge University Press 1974

References

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