coronavirus May 4, 2020 5:03 pm Part 1: Dr. Kavita Patel Talks Reopening States, Bracing for Virus Resurgence Janelle Wang speaks with NBC News medical contributor Dr. Kavita Patel about the health impacts of reopening states and bracing for a possible coronavirus resurgence. 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