title: Viral respiratory diseases in Nigeria: a serological survey. I. Complement fixing antibody levels of influenza A, B and C and para-influenza 1.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007251:Influenza, Human / Q000175:diagnosis* / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D009976:Orthomyxoviridae Infections / Q000175:diagnosis* / Q000453:epidemiology*; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D018108:Respirovirus