title: A study of immunity status against diphtheria among children below five years in a rural population in Lucknow district.
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003353:Corynebacterium diphtheriae / Q000276:immunology* / Q000302:isolation & purification; D004165:Diphtheria / Q000276:immunology*; D005260:Female; D006801:Humans; D007194:India; D007223:Infant; D008297:Male; D012424:Rural Population