8 things to know about squamous cell and basal cell carcinoma...
More than 2 million Americans will learn they have some form of skin cancer this year. It’s the most frequently diagnosed type of...

COVID-19 herd immunity: 7 questions, answered
Last updated on Dec. 7, 2020
As the number of confirmed coronavirus (COVID-19) cases continues to rise worldwide, there’s been a lot...
Is the coronavirus airborne?
A growing body of evidence suggests that SARS-CoV-2, the coronavirus that causes COVID-19, may be airborne — meaning tiny bits of...
Should you send kids to in-person school during COVID-19? 4 things...
A new school year is approaching for many children. But the coronavirus (COVID-19) pandemic continues.
So, is it safe to send your...

What counts as COVID-19 exposure?
Last updated Oct. 22, 2020.
As the numbers of confirmed COVID-19 cases and related hospital admissions continue to rise, so, too,...