Haemophilus influenzae type b resistant to ampicillin and chloramphenicol.
D000667:Ampicillin / Q000627:therapeutic use*; D002701:Chloramphenicol / Q000627:therapeutic use*; D005260:Female; D006192:Haemophilus Infections / Q000188:drug therapy*; D006193:Haemophilus influenzae / Q000187:drug effects; D006801:Humans; D007223:Infant; D010403:Penicillin Resistance
D002701:Chloramphenicol; D000667:Ampicillin