Bill & Melinda Gates Foundation Commits $140 Million to Develop PrEP Implant: VIDEO Michael Fitzgerald January 10, 2017 Leave a Comment The Bill & Melinda Gates Foundation has pledged up to $140 million to help biotech firm Intarcia Therapeutics develop an HIV prevention … [Read more...] about Bill & Melinda Gates Foundation Commits $140 Million to Develop PrEP Implant: VIDEO