Merck & Co. is ending development of its two experimental COVID-19 vaccines, after early data showed they could not produce immune responses to the virus. https://t.co/qtCXlNo9CF— Axios (@axios) January 25, 2021
Merck & Co. is ending development of its two experimental COVID-19 vaccines, after early data showed they could not produce immune responses to the virus. https://t.co/qtCXlNo9CF