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Studies on the 1967–68 foot and mouth disease epidemic: incubation period and herd serial interval

Published online by Cambridge University Press:  15 May 2009

M. E. Hugh-Jones  and
R. R. Tinline
M. E. Hugh-Jones
Affiliation:
Pathology and Epidemiology Department, Central Veterinary Laboratory, New Haw, Weybridge, Surrey
R. R. Tinline
Affiliation:
Department of Geography, Queen's University, Kingston, Ontario
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Summary

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The incubation period during this epidemic was studied using both a spectral analysis-cum-filtering method and analysis of case histories. Using spectral analysis, the modal herd serial interval was estimated to be 8–10 days based on the record of the daily number of outbreaks and an adjusted cattle series. The case histories tended to confirm these estimates but indicated that the serial interval varied considerably between species. The filtering method revealed that the herd serial interval apparently changed during the epidemic. For the first 4 weeks the interval was 8 days, while in the latter stages it was about 2 weeks.

Type
Research Article
Information
Journal of Hygiene , Volume 77 , Issue 2 , October 1976 , pp. 141 - 153
Copyright
Copyright © Cambridge University Press 1976

References

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