Interference of influenza-specific IgA antibodies present in throat washings with isolation of the virus.
D000914:Antibodies, Viral / Q000302:isolation & purification*; D000936:Antigen-Antibody Complex; D004196:Disease Outbreaks; D005455:Fluorescent Antibody Technique; D006801:Humans; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000302:isolation & purification*; D007251:Influenza, Human / Q000209:etiology* / Q000276:immunology; D009864:Ontario; D009975:Orthomyxoviridae / Q000276:immunology / Q000302:isolation & purification*; D010614:Pharynx / Q000276:immunology / Q000382:microbiology*
D000914:Antibodies, Viral; D000936:Antigen-Antibody Complex; D007070:Immunoglobulin A