Often I see patients that are in multiple relationships with multiple different people and they choose to start PrEP to keep themselves safe from HIV. David Rosenthal More Quotes by David Rosenthal More Quotes From David Rosenthal Patients who have HIV can certainly have sex. What's important is that they do several things to decrease the risk of transmission. David Rosenthal health-news The less amount of virus floating around in one's system, the less chance of giving it to someone else. David Rosenthal health-news Each thing that you do adds an additional level of decreased transmission risk. David Rosenthal health-news