Insurers, employers, taxpayers and other consumers will all be affected as drugmakers move these products to the commercial market in May. How much you'll pay depends on your health insurance.

It would make more sense to screen a plane's wastewater to look for new variants than to screen individual passenger volunteers, some researchers say. Others say any information is helpful.

Fly in and stay with us at our cabin, they said. And get a COVID test right after your flight to see if you picked up an infection while traveling. But that's too soon for a meaningful test result.