Secondary syphilis with atypical rash and hemoptysis in a man with HIV co-infection

[See related article at [www.cmaj.ca/lookup/doi/10.1503/cmaj.191075][2]][2] A 37-year-old man with HIV infection (CD4+ cell count 706 cells/μL, viral load undetectable) presented with a 3-month history of cough, pharyngitis, low-grade fevers and dark black hemoptysis. A rash had also developed,