Hong Kong influenza in the Royal Air Force 1968-70.
D000293:Adolescent; D000328:Adult; D000337:Aerospace Medicine; D000917:Antibody Formation; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006723:Hong Kong; D006801:Humans; D007252:Influenza Vaccines / Q000627:therapeutic use; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology / Q000517:prevention & control; D008297:Male; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000453:epidemiology; D012907:Smoking; D013997:Time Factors; D006113:United Kingdom
D007252:Influenza Vaccines