Breadcrumb Home News As COVID-19 Vaccine Trials Move At Warp Speed, Recruiting Black Volunteers Takes Time As COVID-19 Vaccine Trials Move At Warp Speed, Recruiting Black Volunteers Takes Time September 11, 2020 Rachel Hardeman, PhD, MPH is quoted. Previous News Increasing Firearm-Related Deaths among U.S. Black Rural Youths 2024 TIME100 annual list of the 100 most influential people in the world Public Health's Strategy to Protect Against Bird Flu