Simplified technique for titrating influenza virus neutralizing antibody in the chick embryo.
D000818:Animals; D057134:Antibodies, Neutralizing / Q000302:isolation & purification*; D002642:Chick Embryo; D006801:Humans; D007251:Influenza, Human; D009975:Orthomyxoviridae / Q000302:isolation & purification*
INFLUENZA/virus--titration