U.S. Covid vaccine provide to considerably enhance in March, drugmakers inform Congress
Lillie McCray (R) receives Pfizer BioNTech's Coronavirus Disease (COVID-19) vaccine from Walgreens Doctor Ghassan Ayyad (L) at the Victor Walchirk Apartments in Evanston, Illinois on February 22, 2021.Kamil Krzaczynski | ReutersThe supply…