John Joyce, M.D. @RepJohnJoyce
In Pennsylvania and around the U.S., researchers are making incredible progress in their pursuit of a coronavirus vaccine. #OperationWarpSpeed is driven by science and rooted in safety. To be sure, a vaccine will only be approved once it is proven to be both SAFE and EFFECTIVE. https://t.co/L2EU5b9tU9 — PolitiTweet.org