As the COVID-19 pandemic enters its 10th month, the pressure to develop an effective vaccine, or vaccines, continues to mount. Speaking at the Johns Hopkins University and University of Washington Vaccine Symposium online, Dr. Moncef Slaoui, scientific head of Operation Warp Speed—the government organization funding and supporting development and distribution of COVID-19 vaccines—provided the latest updates on when a vaccine (and how many doses) might be available in coming months.