November 4, 2021 – The U.S. Preventive Services Task Force posted today a draft research plan on pre-exposure prophylaxis for the prevention of HIV infection. The draft research plan is available for review and public comment from November 4, 2021 through December 8, 2021. Note: the public comment period has been extended from the standard four weeks to five weeks to account for the Thanksgiving holiday. To review the draft research plan and submit comments, go here.