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 New Case Commentary: Responding to Parental Objections Over Testing for Death by Neurologic Criteria Walz fills out top agency posts ahead of second term Gov. Tim Walz names new education, health and public safety commissioners