This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
There were two errors in the original manuscript. The second patient was treated with 4.8 million units of penicillin G procaine intramuscularly in addition to 1.0 g probenecid on two occasions seven days apart. Twenty-three days later, a CSF specimen was obtained which infected rabbits. Both patients were treated with aqueous penicillin G (benzyl penicillin), not penicillin G benzathine.
Tramont EC. Re: Persistence of Treponema pallidum Following Penicillin G Therapy-Reply. JAMA. 1977;237(25):2719. doi:10.1001/jama.1977.03270520029009