The Tuskegee syphilis experiment. The secret sale of Henrietta Lacks cancer research cells. Jim Crow laws affecting African Americans’ ability to receive medical treatment. For weeks, it’s been hard to hear over the clamor of millions of Americans lining up for COVID-19 vaccines. But not everyone has been enthused — namely, large swaths of minority communities, which comprise the populations disproportionately impacted by the virus, but whose hesitance is largely fueled by the country’s racist medical past.