Live: Daily coronavirus updates, December 21: What you need to know today about COVID-19 in the Seattle area, Washington state and the world

More than half of U.S. states, several business coalitions and church groups are calling on Supreme Court justices to block the Biden administration’s mandate demanding that employees at large companies get vaccinated or routinely tested for the virus .
At the same time, the administration is asking the Supreme Court to lift lower court rulings blocking the immunization mandate for healthcare workers at facilities that receive Medicare and Medicaid funding.
As of Sunday, health officials had administered more than 60 million booster doses of COVID-19, meaning about 30% of the fully vaccinated population in the country received a booster.
Former President Donald Trump was booed by a crowd in Dallas when he revealed he had received the recall. Trump made the reveal Sunday night on the final stop of “The History Tour,” a live interview show he performed with former Fox News host Bill O’Reilly.
We are updating this page with the latest news on the COVID-19 pandemic and its effects on the Seattle area, the United States, and the world. Click here to see live updates from previous days and all of our other coronavirus coverage, and here to see how we’re tracking the daily spread across Washington.