It's the law. What is?
D003219:Confidentiality; D016358:Contact Tracing / Q000331:legislation & jurisprudence*; D018563:Disease Notification / Q000331:legislation & jurisprudence*; D006679:HIV Seropositivity; D006801:Humans; D016485:Needle Sharing; D009518:New York; D012747:Sexual Partners; D014754:Violence