Twice-a-year shot provides 100 percent HIV protection, study finds The Washington PostTwice-yearly shot proves successful at preventing HIV infection among women, trial data shows CNNNew HIV preventive strategy sparks excitement — and protests — at AIDS conference NPRHIV drug could be made for just $40 a year for every patient The GuardianFull Efficacy and Safety Results for Gilead Investigational Twice-Yearly Lenacapavir for HIV Prevention Presented at AIDS 2024 Yahoo Finance