AdvertisementCDC Defends Its Handling Of Coronavirus Case In CaliforniaFebruary 28, 2020Bill ChappellSelena Simmons-DuffinfacebookEmailNational Center for Immunization and Respiratory Diseases Director Dr. Nancy Messonnier, speaks during a news conference in January. Messonnier on Friday defended the CDC's handling of a new coronavirus case in California. (Getty Images)
