Usar máscara se você já está vacinado? Por que a OMS e o CDC não recomendam a mesma orientação.

Wear a mask if you’re vaccinated? Why the WHO and CDC don’t have the same guidance – C|Net

Relacionado: WHO urges fully vaccinated people to continue to wear masks as delta Covid variant spreads. E What the science says about lifting mask mandates – “Wearing masks should probably be one of the last things we stop doing”. E CDC says fully vaccinated Americans can go indoors and outdoors without masks.