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A comparison of methods of measuring the persistence of neutralizing and haemagglutinin-inhibiting antibodies to louping ill virus in experimentally infected sheep

  • K. J. O'Reilly (a1), C. E. Gordon Smith (a2), D. A. McMahon (a2), E. T. W. Bowen (a2) and G. White (a3)...

Extract

Sheep, after infection with louping ill virus and after re-infection with the same strain of virus 19–21 months later, were bled at intervals and their sera examined for neutralizing and haemagglutinin-inhibiting antibodies. Each antibody type was measured by the constant serum/variable virus and constant virus/variable serum methods. The persistence of each type of antibody and its significance in epidemiological studies is discussed. The relationship of antibody levels in ewes and their lambs was also examined.

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References

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A comparison of methods of measuring the persistence of neutralizing and haemagglutinin-inhibiting antibodies to louping ill virus in experimentally infected sheep

  • K. J. O'Reilly (a1), C. E. Gordon Smith (a2), D. A. McMahon (a2), E. T. W. Bowen (a2) and G. White (a3)...

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