U.S. airport traffic rising despite holiday travel warnings

In this Nov. 25, 2020 file photo, travelers walk through the Salt Lake City International Airport in Salt Lake City, a day before Thanksgiving. More than 1 million people have passed through U.S. airport security checkpoints in each of the past two days in a sign that public health pleas to avoid holiday travel are being ignored, despite an alarming surge in COVID-19 cases. (AP Photo/Rick Bowmer, File)

SAN RAMON, Calif. — More than 1 million people have passed through U.S. airport security checkpoints in each of the past two days in a sign that public health pleas to avoid holiday travel are being ignored, despite an alarming surge in COVID-19 cases.