Covid live updates: States move to purchase Covid vaccines directly from Pfizer

NBC News
·1 min read

More than 400,000 people have died of the coronavirus in the U.S., according to an NBC News tally early Tuesday. It's a milestone that seemed unimaginable at the start of the pandemic a year ago.

As U.S. health officials rush to vaccinate as many vulnerable people as possible, Covid-19 continued to spread at record high rates, with the United States facing a risk of new mutant virus strains spreading from the U.K., Brazil, South Africa as well as new strains emerging in the U.S.