FDA May 15, 2020 6:34 am FDA Warns of False Negatives in Abbott's Virus Test The FDA has issued a warning that the accuracy of Abbott Labs’ coronavirus test is delivering too many false negative results to be considered effective. Bob Redell 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