Gilead's twice-yearly shot reduced HIV infections by 96% in a second large study, the company said Thursday.The positive phase three trial data on Lenacapavir sets the stage for likely approval by the U.S. Food and Drug Administration for HIV prevention."Now that we have a comprehensive dataset across multiple study populations, Gilead will work urgently with regulatory, government, public health and community partners to ensure that, if approved, we can deliver twice-yearly lenacapavir for PrEP worldwide, ...