Churches cancel some services in New York, Washington and Boston, while some officials cut isolation period for positive cases
The Omicron coronavirus variant vigorously continued its viral march across the US on Christmas Day, throwing many winter holiday celebrations into turmoil.
Airlines canceled over 2,000 flights on Friday, with more than 600 within, into or out of the US, stranding passengers after short-staffed carriers were hit by pilot and flight attendants reporting infections. Hundreds more cancellations were anticipated for Saturday.