coronavirus March 1, 2021 8:46 am CDC Director ‘Worried' About Rolling Back COVID-19 Restrictions Director of the Centers for Disease Control and Prevention Rochelle Walensky says she is concerned about the leveling off in recent declines of COVID-19 cases across the country. US & World Videos 2:19 San Francisco barbershop struggles to stay open after pandemic 0:51 Alameda County using dogs to detect COVID 3:57 Interview: Doctor's perspective on COVID 4 years after shutdown started 2:27 Marking 4 years since COVID-19 shut down the Bay Area 2:09 CDC updates COVID isolation guidelines
