In this episode, in our continuing series looking at the latest medical research and news on COVID-19, we speak with Dr. Kimberly Shriner from Huntington Hospital in Pasadena.

Today’s topics include:

F.D.A. to allow ‘mix and match’ approach for COVID-19 booster shots 

What is “molnupiravir,” Merck's COVID-19 treatment pill? 

What we know about AY.4.2, a Delta subvariant that's spiking cases in the UK 

Tuberculosis, like COVID-19, spreads in aerosols, scientists report 

California now only state to improve to 'moderate' level of COVID-19 transmission, CDC says 

This program is made possible in part by the Corporation for Public Broadcasting, a private corporation funded by the American people..