The role of influenza viruses in acute respiratory infections in children during the year 1974--1975 in Alexandria.
D000208:Acute Disease; D000914:Antibodies, Viral; D002648:Child; D003168:Complement Fixation Tests; D004534:Egypt; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology
D000914:Antibodies, Viral