The epidemiologic particularities of influenza in the winter and spring of 1975 in Moldavia (Romania).
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000914:Antibodies, Viral / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology*; D008875:Middle Aged; D012383:Romania; D012424:Rural Population; D014505:Urban Population
D000914:Antibodies, Viral