Reproduction in chick chorioallantoic membrane and lethal effect in chick embryos of three strains of vaccinia virus in relation to the incubation temperature.
D000818:Animals; D002642:Chick Embryo; D046508:Culture Techniques; D005321:Extraembryonic Membranes / Q000382:microbiology; D013696:Temperature; D014616:Vaccinia virus / Q000254:growth & development* / Q000302:isolation & purification / Q000472:pathogenicity; D014776:Virus Cultivation; D014779:Virus Replication