The Latest: FDA authorizes 2 changes to Moderna’s vaccine

Workers wearing protective gears disinfect as a precaution against the coronavirus ahead of the early voting for the upcoming Seoul mayoral by-election at a local polling station in Seoul, South Korea, Thursday, April 1, 2021. The early voting for the April 7 Seoul and Busan mayoral by-election will be held for two-days on April 2-3.