Meningitis due to Haemophilus influenzae type b resistant to ampicillin and chloramphenicol.
D000667:Ampicillin / Q000494:pharmacology*; D002675:Child, Preschool; D002701:Chloramphenicol / Q000494:pharmacology*; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D008297:Male; D008583:Meningitis, Haemophilus / Q000188:drug therapy*; D010403:Penicillin Resistance
D002701:Chloramphenicol; D000667:Ampicillin