The effect of human bronchial secretions (sputum) on the haemagglutinin and infectivity of influenza virus.
D001826:Body Fluids; D006384:Hemagglutination; D006386:Hemagglutination Tests; D006388:Hemagglutinins; D006801:Humans; D009975:Orthomyxoviridae; D013183:Sputum
D006388:Hemagglutinins
HEMAGGLUTINATION; INFLUENZA VIRUSES; SPUTUM