How do you prove that people have been vaccinated without putting their privacy at risk? The technology and best practices to make it happen exist. It's far from clear, however, if they're being used.

It's draining and depressing to stay on high alert month after month after month. Understanding pandemic fatigue better might help you strengthen your resolve.

Research shows that children can become infected with the coronavirus and spread it to others. Though rare, some kids do become severely ill and a few have died from COVID-19.

SARS-CoV-2 can be spread through the air. But just how much of a factor that is has been hard to determine. Recent evidence suggests it is common, posing problems as public places begin to reopen.