The COVID-19 omicron variant has prompted more indoor mask mandates. President Joe Biden has also extended the federal mask mandate through March 2022.
The omicron variant of COVID-19 may be able to partly evade vaccine protection, as it spreads across the country. Stay on top of the latest guidance here.
The omicron variant of virus that causes COVID-19 is spreading across the US. What has Moderna said about the effectiveness of its vaccine and booster against the mutation?
