Author: Coria, M. F.
Title: Protective effect of an inactivated avian coronavirus vaccine administered by aerosol Cord-id: dj7dyo0x Document date: 1973_1_1
ID: dj7dyo0x
Snippet: The antigenicity and protective effect of 3 strains of avian infectious bronchitis virus inactivated by beta-propiolactone were studied. Chickens administered 2 doses of the inactivated Connecticut strain (IBV-46) vaccine by aerosol at 3-week intervals had significant levels of virus-neutralizing antibodies and were resistant to infection by the Massachusetts strain (IBV-41) as determined by virus isolation attempts. Antibody levels in chickens given inactivated Iowa 33 and Iowa 609 were not sig
Document: The antigenicity and protective effect of 3 strains of avian infectious bronchitis virus inactivated by beta-propiolactone were studied. Chickens administered 2 doses of the inactivated Connecticut strain (IBV-46) vaccine by aerosol at 3-week intervals had significant levels of virus-neutralizing antibodies and were resistant to infection by the Massachusetts strain (IBV-41) as determined by virus isolation attempts. Antibody levels in chickens given inactivated Iowa 33 and Iowa 609 were not significant and they were not resistant to infection by IBV-41.
Search related documents:
Co phrase search for related documents- live virus and low embryo: 1
- live virus vaccine and log10 virus: 1
Co phrase search for related documents, hyperlinks ordered by date