Featured by Betsy Ladyzhets
Are US booster shots sapping the world’s vaccine supply?
If the coronavirus continues spreading anywhere in the world, it has the capacity to spread everywhere.
What 20 years of screening 9/11 first responders for health risks has taught us
They were the first at the scene on 9/11. Twenty years later, they're helping us learn the long-term health consequences.
Inside the Delaware schools that deployed rapid COVID tests to protect kids
Antigen tests could be key to safely reopening schools this fall.
Where are we most likely to catch COVID-19?
We know a lot more about transmission risk than we did a year ago.