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Table 1 Response rate in horses (n = 50, each period) vaccinated with inactivated or live EHV-1 vaccines

From: Epizootiological investigation of equine herpesvirus type 1 infection among Japanese racehorses before and after the replacement of an inactivated vaccine with a modified live vaccine

Period Type of vaccine Vaccination dose aResponse rate after vaccination (%)
2013–2014 Inactivated 1st 22
2nd 12
3rd 8
Total 42
2014–2015 Live 1st 86
2nd 4
Total 90#
2015–2016 Live 1st 72
2nd 4
Total 76#
  1. aA more than four-fold titer-rise was regarded as a significant increase
  2. #Significant difference (P < 0.05) with the response rate in 2013–2014