1. Skip to content
  2. Skip to main menu
  3. Skip to more DW sites
Live TV
Latest audioLatest videos
In focus
Russia's war in UkraineIsrael-Hamas warIndia elections
Science

Masks are effective!

September 15, 2021

Masks are effective and limit the spread of COVID-19. That's the result of the largest study of masks ever involving more than 340,000 people across 600 rural villages.

https://p.dw.com/p/40Mc5