Medical privacy

Information concerning a person's health is kept confidential to the patient. In most countries, the patient must consent before anyone other than the staff of medical institutions may view the information. The reasons for keeping medical information private may include possible discrimination against people with a certain medical condition. However, it may be illegal to fail to disclose medical information in certain cases (for example, in the United Kingdom in 2001, Stephen Kelly was found guilty of "culpable and reckless" conduct for failing to tell his girlfriend he was HIV-positive before having unprotected sex with her [1]). Also see remarks on the Roe v Wade abortion decision below.

http://en.wikipedia.org/wiki/Privacy