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Antigenic differences between strains of foot-and-mouth disease virus of type SAT 1

Published online by Cambridge University Press:  15 May 2009

N. St G. Hyslop
Affiliation:
Research Institute (Animal Virus Diseases), Pirbright, Surrey
J. Davie
Affiliation:
Research Institute (Animal Virus Diseases), Pirbright, Surrey
Sally P. Carter
Affiliation:
Research Institute (Animal Virus Diseases), Pirbright, Surrey
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Antigenic differences between the strains RV 11 and SA 13/61 of foot-and-mouth disease virus (type SAT 1) were studied in vivo by cross-protection tests. Cattle inoculated with formolized antigen of either strain developed good immunity to experimental infection with the identical strain but little resistance to the other strain.

In vitro the results of complement fixation tests and of serum-virus neutralization tests in tissue culture were consistent with the observations made in vivo. The results of studies on the serological relationships between four strains of type SAT 1 are presented.

The importance of strain differences in the epizootiology and control of the disease is discussed briefly.

The authors wish to thank Dr I. A. Galloway and Dr J. B. Brooksby for their advice and criticism, and to acknowledge the valuable technical assistance of Mr K. Herniman, Mr R. L. G. King and Mr E. Scoates.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1963

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