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 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 0:52 Lifeguard shortage impacts LA County pool hours 2:17 LA County: Mask Mandate Could Return in Weeks 2:22 Avoiding a COVID Winter Surge