title: Infectivity for mice of avian influenza A viruses of H7N7, H5N3 and H2N2 subtypes isolated from migratory waterfowls in San-in District, Western Japan.
mesh_terms: D000818:Animals; D001717:Birds / Q000382:microbiology*; D053121:Influenza A Virus, H2N2 Subtype; D053126:Influenza A Virus, H7N7 Subtype; D009980:Influenza A virus / Q000302:isolation & purification / Q000472:pathogenicity*; D007564:Japan; D051379:Mice / Q000382:microbiology*