Betsy Ladyzhets

More from Betsy Ladyzhets

Are US booster shots sapping the world’s vaccine supply?
COVID-19

Are US booster shots sapping the world’s vaccine supply?

By Betsy Ladyzhets

a statue of a firefighter sits with the One World Trade Center tower in the background
Climate Change

What 20 years of screening 9/11 first responders for health risks has taught us

By Betsy Ladyzhets

a person wearing a backpack and holding textbooks against a blue background with several red coronavirus illustrations
COVID-19

Where are we most likely to catch COVID-19?

By Betsy Ladyzhets