coronavirus May 18, 2021 7:01 am Weekly COVID-19 Cases in Children Drop to Lowest Number Since Fall New data shows the nearly 49,000 new cases of reported pediatric COVID-19 cases last week was the lowest weekly total since late October. 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