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's COVID hospitalizations fall below 1,000 for the first time since December. 
• Gov. Newsom scales back California’s COVID orders but not the state of emergency. 
• California to announce new school mask rules today. 
• New York City to end mandates for school masks and indoor proof of vaccination. 
• C.D.C. suggests more time between 1st and 2nd COVID vaccine doses for males ages 12 to 39 because of myocarditis. 
• Two Orange County teens died of COVID-19, underscoring Omicrons’ toll on kids. 
• What we know about the BA.2 Omicron variant. 

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