As COVID ravages China, US expands testing system for incoming travelers

Shubham Chandra knows how dangerous the coronavirus can be: He lost his dad during the pandemic. So when he cleared customs at Newark Liberty International Airport and saw people offering anonymous COVID-19 testing, he was happy to volunteer.

“It’s a minimum amount of effort to help a lot of people,” said the 27-year-old New York City man, who had just stepped off a plane from Cancun, Mexico.

The airport testing is part of the government’s early warning system for detecting new variants, which began expanding recently in the wake of a COVID-19 surge in China.

With the addition of Los ...