Incidence of coronavirus OC43 antibodies among the population of Romania.
D000293:Adolescent; D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D003332:Coronaviridae; D006801:Humans; D007223:Infant; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000382:microbiology; D012383:Romania
D000914:Antibodies, Viral