Pfizer proposes expanding Covid-19 vaccine trial to include more diversity as race for a vaccine continues

The race for a coronavirus vaccine shows no signs of slowing as more companies move their vaccine candidates through clinical trials, growing closer to determining which will be considered safe and effective.

Pfizer proposes expanding Covid-19 vaccine trial to include more diversity as race for a vaccine continues
The race for a coronavirus vaccine shows no signs of slowing as more companies move their vaccine candidates through clinical trials, growing closer to determining which will be considered safe and effective.