Gilead’s Gritstone vaccine deal adds yet another shot on goal for HIV cure February 1, 2021 Auto Bot BioPharma, biopharma nl, California, Emeryville, Foster City, Gilead Sciences, HIV, Vaccines 0 The therapeutic vaccine will be based on Gritstone Oncology’s technology and will use antigens from Gilead Sciences. It’s the latest in a string of partnerships Gilead has signed in its search for an HIV cure.