Top U.S. health official says Pfizer may face challenges manufacturing COVID-19 vaccine
By Carl O'Donnell and Rebecca SpaldingDec 16 (Reuters) - U.S. officials are working with Pfizer Inc to help maximize production capacity for its COVID-19...
By Carl O'Donnell and Rebecca SpaldingDec 16 (Reuters) - U.S. officials are working with Pfizer Inc to help maximize production capacity for its COVID-19...