January 28, 2022 5:40 pm Large COVID-19 Testing Company to ‘Wind Down,' Lay Off Almost All Workers The large COVID-19 testing outfit at the center of a federal investigation will “wind down” its operations and lay off 150 employees, the company said Friday afternoon. US & World Videos 4:02 Updated COVID vaccines coming 3:17 Slight summer uptick of COVID cases in California 3:57 Interview: Doctor's perspective on COVID 4 years after shutdown started 2:09 CDC updates COVID isolation guidelines 1:37 Study examines effectiveness of main COVID treatment Paxlovid