Epidemiological study of diphtheria at Bhopal, 1969.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000453:epidemiology* / Q000401:mortality / Q000517:prevention & control; D005260:Female; D006801:Humans; D007194:India; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012621:Seasons; D012959:Socioeconomic Factors; D014611:Vaccination