title: Myxovirus influenza A isolated from ducklings.
abstract: A strain of haemagglutinating virus isolated by Walker and Bannister in 1953 and identified by them as "Filterable Agent" of ducks has been examined. The evidence suggests that although belonging to the Myxovirus Influenza Type A group, it possesses specific strain properties.
mesh_terms: D000818:Animals; D002170:Canada; D003168:Complement Fixation Tests; D006385:Hemagglutination Inhibition Tests; D009500:Neutralization Tests; D009975:Orthomyxoviridae / Q000145:classification / Q000302:isolation & purification*; D009976:Orthomyxoviridae Infections / Q000382:microbiology / Q000662:veterinary*; D011201:Poultry Diseases / Q000382:microbiology*