Coronavirus July 27, 2020 1:34 pm Moderna Vaccine Enters Phase Three Trials Tens of thousands of volunteers will take part in the study, with results being reported as soon as November. 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