Merck, which previously made an Ebola vaccine, had been seen as a serious contender in the worldwide race to come up with an answer to COVID-19.
(Image credit: Budrul Chukrut/SOPA Images/LightRocket via Getty Images)
Merck, which previously made an Ebola vaccine, had been seen as a serious contender in the worldwide race to come up with an answer to COVID-19.
(Image credit: Budrul Chukrut/SOPA Images/LightRocket via Getty Images)