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 Opinion: Minnesota Needs to Do Better With Its Vaccination Rate Opus College of Business Faculty Member Delivers Keynotes From Twin Cities to Cameroon What It Takes to Get a Job in Public Health