U.S. Covid vaccinations spike as several states confirm omicron cases
Covid vaccinations spiked late this week as a rising number of states confirmed their first cases of the highly mutated omicron variant.
Centers for Disease Control and Prevention data shows nearly 2.2 million shots in arms were reported to the agency over a 24-hour period ended Thursday, the largest single-day total since May.
Roughly half of those shots were booster doses, White House Covid-19 data director Cyrus Shahpar wrote in a tweet Thursday, and nearly a third were initial doses, or people getting their very first shots. Some 4.8 million shots were...