In our continuing series looking at the latest medical research and news on COVID-19, Larry Mantle speaks with Dr. Peter Chin-Hong, UCSF infectious disease specialist and professor of medicine. 

Topics today include: 

F.D.A panel recommends COVID shots for kids age 5-11. 

C.D.C says immunocompromised people may need a fourth shot. 

What will a COVID vaccine for younger kids mean? 

Will a child's weight factor into their vaccine dosage? 

Moderna will supply Africa with up to 110 million COVID-19 vaccine doses. 

Unvaccinated L.A. City workers will have more time to get shots. 

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