Invasive infections caused by multiply resistant Haemophilus influenzae type b.
D000667:Ampicillin / Q000627:therapeutic use; D002648:Child; D002701:Chloramphenicol / Q000627:therapeutic use; D006192:Haemophilus Infections / Q000382:microbiology*; D006193:Haemophilus influenzae; D006801:Humans; D010403:Penicillin Resistance
D002701:Chloramphenicol; D000667:Ampicillin