Prophylactic ..With every drug is advised to every patients to use still protection, not to count only on a drug..with prevention.
With Truvada treatment some patients developed HIV ,
But they suing Gilead only for toxic side effects of Truvada , and that Gilead did nothing about it , knowing that..
I don't see this as a special problem , of course this is USA someone may be suing for anything ..
All IMo.