Nearly half the population has received at least one vaccine dose but residents of the capital and other regions face strict new curbs

Experts say Chile’s government eased restrictions on travel, business and schools much too early, creating a false sense of confidence that the worst of the pandemic was over.

CDC chief Dr. Rochelle Walensky on Monday urged Americans to "just hold on a little longer" as Covid-19 cases rebound amid an accelerating vaccine rollout.