The influenza epidemic of winter 1972-1973 caused by virus A-England-42-72 in Moldavia (Romania).
D000293:Adolescent; D000328:Adult; D000914:Antibodies, Viral / Q000302:isolation & purification; D000956:Antigens, Viral / Q000302:isolation & purification; D002648:Child; D002675:Child, Preschool; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology; D008875:Middle Aged; D009975:Orthomyxoviridae / Q000276:immunology; D012383:Romania; D012424:Rural Population; D012621:Seasons; D014505:Urban Population
D000914:Antibodies, Viral; D000956:Antigens, Viral