Group Virus shedding# Virus shedding# Protection (%)
D3 D5
Chickens vaccinated the F/98 inactive vaccine
Challenged with F/98 virus 0/6a 0/6a 100
Challenged with rF/HAA198V virus 1/6a 0/6a 83.3
Chickens vaccinated the rF/HAA198V inactive vaccine
Challenged with F/98 virus 1/6a 0/6a 83.3
Challenged with rF/HAA198V virus 1/6a 0/6a 83.3