Epidemiology of influenza in Anambra and plateau states of Nigeria.
D000293:Adolescent; D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D009980:Influenza A virus / Q000302:isolation & purification*; D007251:Influenza, Human / Q000209:etiology* / Q000276:immunology; D009549:Nigeria
D000914:Antibodies, Viral