U.S. Health Secretary Alex Azar said if pharmaceutical company Pfizer Inc. submits interim Covid-19 vaccine to health regulators as quickly as expected, the U.S. government anticipates the beginning of vaccinating Americans in December.

German biotech company Evotec said on Monday the company had received a grant from the Bill & Melinda Gates Foundation to help identify and develop potential monoclonal antibody (mAbS) drugs for the prevention of severe Covid-19.