One-shot COVID vaccine likely in February: Operation Warp Speed leader

Operation Warp Speed scientific director Dr. Moncef Slaoui said Wednesday that a single-shot COVID-19 vaccine may be just weeks away from US distribution. Slaoui said the vaccine from Johnson & Johnson would be a “game-changer” in ending the coronavirus pandemic. “I think it can be quite a game-changer. We’re hopeful that this vaccine, which is…