Omicron Variant January 27, 2022 6:34 am Moderna Testing Omicron-Specific Booster Moderna is testing an omicron-specific COVID-19 vaccine booster. 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 0:54 Biden Gets Updated COVID-19 Booster