title: Transferable chloramphenicol and ampicillin resistance in a strain of Haemophilus influenzae.
abstract: A strain of Haemophilus influenzae isolated from sputum has been shown to be resistant to chloramphenicol, ampicillin, and tetracycline. All three resistances were transferred together to recipients when the selecting antibiotic was ampicillin, chloramphenicol, or tetracycline.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D002701:Chloramphenicol / Q000494:pharmacology*; D006193:Haemophilus influenzae / Q000187:drug effects*; D010403:Penicillin Resistance; D013045:Species Specificity
chemical_list: D002701:Chloramphenicol; D000667:Ampicillin