For some Black Americans, vaccine hesitancy is just one part of a legacy of mistrust

To get the shot, many must overcome their historical memory of unethical medical experiments

By late June, Yolanda Corbett, who lives in Washington DC with her three children, was certain she would not get the Covid-19 vaccine.

She wanted to protect her family more than anything, but while the vaccine is a clear sign of hope for most, Corbett wasn't convinced.