Skip to main content
Podcasts & Activities
for Curious Kids & Their Grown-Ups

Articles: Masking For A Friend: The Science of How Wearing A Mask Helps Us And Our Neighbors

We talked to UCSF epidemiologist George Rutherford, MD, and infectious disease specialist Peter Chin-Hong, MD, about the CDC’s reversal on mask-wearing, the current science on how masks work, and what to consider when choosing a mask.


Here's how a growing amount of scientific evidence shows us that wearing face masks is one of the most effective things we can do to stop the spread of COVID-19.



The science supports that face coverings are saving lives during the coronavirus pandemic, and yet the debate trundles on. How much evidence is enough?