• Endocarditis due to Staphylococcus aureus developed in two drug abusers who used the same paraphernalia for parenteral injections. The phage type of the organism isolated from the blood and nasal secretions of the first patient was identical to that of the organism isolated from the blood of the second patient. The epidemiologic and microbiologic data from our cases indicate human-to-human transmission of the responsible agent.
(Arch Intern Med 140:111-112, 1980)