Slaoui: COVID-19 Vaccine Trials Will Be Unblinded, But Question Is When

With news that Pfizer has completed the final analysis of its phase 3 COVID-19 vaccine trial, and Moderna expected to reach its study objectives soon, Operation Warp Speed officials and FDA are having conversations about how and when to move trial participants who are in the placebo arm over to the active vaccine arm, Operation Warp Speed chief Moncef Slaoui said on a Wednesday (Nov. 18) press call. FDA, the vaccine companies and Operation Warp Speed officials are grappling with...