FILES-US-VIETNAM-HEALTH-VIRUS-VACCINES

A street artist paints a mural depicting Covid-19 coronavirus frontline workers along a street in Hanoi on 15 June, 2021. (Photo: Nhac NGUYEN/ AFP)

A street artist paints a mural depicting Covid-19 coronavirus frontline workers along a street in Hanoi on 15 June, 2021. (Photo: Nhac NGUYEN/ AFP)