February 23, 2022 – L.A. County To Lift Indoor Mask Mandate For Vaccinated, Who Might Benefit From A Fourth Shot

In our continuing series looking at the latest medical research and news on COVID-19, Larry Mantle speaks with Kristen R. Choi, professor of nursing and public health at UCLA.  Topics today include:  L.A. County to lift indoor mask mandate for vaccinated people on Friday.  L.A. Unified drops outdoor mask mandate.  The U.S. mask mandate for air travel will expire next month, but some flight attendants say it’s too soon.  A new COVID vaccine shows 100% efficacy against severe disease and hospitalizations, its maker says.  Yes, millions of Americans have caught Omicron. No, we don’t have herd immunity.  Who might benefit from a fourth shot – and who might not.  Got a COVID booster? You probably won’t need another for a long time.  New breakdown of hospitalized patients in California hospitals by vaccination status.  How Long COVID exhausts the body.  This program is made possible in part by the Corporation for Public Broadcasting, a private corporation funded by the American people.