coronavirus December 20, 2021 6:40 am Demand for COVID-19 Tests Skyrockets Ahead of Holidays With the holidays approaching, demand at COVID-19 testing sites is skyrocketing, and good luck finding an at-home test kit. Cierra Johnson reports. 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