In our continuing series looking at the latest medical research and news on COVID-19, Larry Mantle speaks with Dr. Sam Torbati, co-chair of the department of emergency medicine at Cedars-Sinai Medical Center.

Topics today include:

• What needs to happen before 5-to-11-year-olds can get the Pfizer vaccine. 
• Health care system plagued by new supply chain shortages.  
• How often do Covid vaccines cause heart problems in children? 
• How to travel safely as U.S. reopening approaches. 
• Who had Covid-19 vaccine breakthrough cases?  

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