At least 274,703 Covid-19 cases and a record 4,085 deaths tied to the virus were reported in the United States on Thursday, according to Johns Hopkins University's tally of cases.
Thursday marked the first time that Covid-19 deaths in the US topped 4,000 in a single day.
There have been at least 21,579,567 cases of coronavirus confirmed in the US, according to the university. At least 365,317 people have died.
The totals include cases from all 50 states, the District of Columbia and other US territories, as well as repatriated cases.
Vaccine rollout: At least 21,419,800 Covid-19 vaccine doses have been distributed in the US and at least 5,919,418 shots administered, according to the US Centers for Disease Control and Prevention.
Track US cases: