Table 1.

Seroconversion in four groups of dogs

Treatment groupCIV vaccinationaChallengeHI antibody titer (GMT)b
PrevaccinationPrechallenge14 days postchallenge
1NoCIV<10<10226 ± 200
2NoS. equi subsp. zooepidemicus<10<10<10
3NoCIV + S. equi subsp. zooepidemicus<10<10278 ± 339
4YesCIV + S. equi subsp. zooepidemicus<1073 ± 656,378 ± 3,032
  • a CIV, canine influenza virus.

  • b The hemagglutination inhibition (HI) antibody titer (geometric mean titer [GMT]) is shown. The mean ± standard deviation are shown for some values.