In our continuing series looking at the latest medical research and news on COVID-19, Larry Mantle speaks with associate professor in the division of infectious diseases at UCLA, Dr. Tara Vijayan. 

Topics today include: 

• Can you reuse KN95 and N95 masks? We look at different cleaning methods. 
• Possible allergic reactions to vaccines, including rashes and small changes to menstrual cycles. 
• Four U.C. campuses extend remote instruction through January. 
• Orange County reports third COVID-19 death of a child younger than 5. 
• L.A. County reports record 37,000 daily coronavirus cases; what does that mean for the Super Bowl? 
• When should you go to the E.R. with COVID symptoms? 
• Unboosted: California COVID-19 booster rate falls below 40% in most counties. 

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