Hybrid formation of influenza virus at 25  .
D000064:Acclimatization; D000818:Animals; D000917:Antibody Formation; D002335:Carnivora; D002417:Cattle; D003080:Cold Temperature; D046508:Culture Techniques; D005827:Genetics, Microbial; D006389:Hemagglutinins, Viral / Q000032:analysis; D006736:Horses; D006801:Humans; D008168:Lung / Q000382:microbiology; D051379:Mice; D009439:Neuraminidase / Q000037:antagonists & inhibitors; D009975:Orthomyxoviridae / Q000201:enzymology / Q000254:growth & development* / Q000276:immunology / Q000302:isolation & purification; D011995:Recombination, Genetic; D013997:Time Factors; D014765:Viral Vaccines; D014776:Virus Cultivation
D006389:Hemagglutinins, Viral; D014765:Viral Vaccines; D009439:Neuraminidase