coronavirus April 3, 2020 7:32 am Dr. Birx Breaks Down State Coronavirus Test Numbers White House Coronavirus response coordinator Dr. Deborah Birx discusses the positive tests rates in states across the country. US & World Videos 2:33 CDPH releases updated Covid-19 isolation guidelines 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 2:17 San Diego and California's COVID-19 Emergency Declarations Are Expiring. Here's What That Means 2:30 San Diego and California COVID-19 Emergency Declarations Expire Tuesday 3:26 COVID, Flu Cases Down Slightly; Doctors Urge Caution