Features of the MEL x NWS recombination systems in influenza A virus. III. The pathogenicity of recombinant neuro-MEL viruses grown in mouse brain and chick embryo brain.
D001921:Brain; D006801:Humans; D009980:Influenza A virus; D007251:Influenza, Human; D009975:Orthomyxoviridae / Q000235:genetics*; D018155:Orthopoxvirus; D011995:Recombination, Genetic; D014774:Virulence
INFLUENZA VIRUSES/genetics