Storage-effects of chorio-allantoic fluid and skim milk on influenza virus infectivity.
D000818:Animals; D002642:Chick Embryo; D003588:Cytopathogenic Effect, Viral; D005321:Extraembryonic Membranes; D005612:Freeze Drying; D008892:Milk; D009975:Orthomyxoviridae / Q000254:growth & development*