Haemorrhagic fever in Calcutta.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006482:Hemorrhagic Fevers, Viral / Q000453:epidemiology*; D006801:Humans; D007194:India; D007223:Infant; D008297:Male; D008875:Middle Aged