ROME (AP) - Christians around the world celebrated their second COVID-19 Christmas as surging infections in many countries overwhelmed hospitals, canceled flights and curbed religious observances Saturday, a point in the pandemic when coronavirus vaccines were more available than ever.
In the U.S., at least three major airlines reported canceling dozens of flights as illnesses largely tied to the omicron variant took a toll on flight crew numbers.Delta Air Lines and United Airlines together canceled more than 600 flights on Friday and Saturday.