HAEMORRHAGIC FEVER IN CALCUTTA: SOME  EPIDEMIOLOGICAL OBSERVATIONS.
D000375:Aging; D003715:Dengue; D004813:Epidemiology; D006480:Hemorrhagic Fever with Renal Syndrome; D007194:India; D012723:Sex; D014887:Weather
AGING; DENGUE; EPIDEMIC HEMORRHAGIC FEVER; EPIDEMIOLOGY; INDIA; SEX; WEATHER