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

Topics today include: 

• L.A. County hospitalizations continue to decline. 
• Why Americans are behind on getting boosted. 
• Does just being exposed to Omicron build your immunity? 
• C.D.C.shortens interval between 3rd and booster shot for the immunocompromised
• The world is likely more sick than it has been in 100 years. 
• “Broken heart” cases are surging amidst pandemic. 
• New Jersey to end state mask mandate for schools. 

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