Coronavirus February 10, 2021 5:02 pm CDC Encourages ‘Double-Masking' New study finds wearing a surgical mask under a cloth mask can reduce COVID-19 transmission by 95 percent. 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