Eric Feigl-Ding auf Twitter: "⚠️WEAR MASK EVEN IF VACCINATED—Top @WHO leader urges masks against #DeltaVariant even if 2-dose vaxxed. "Vaccine alone won't stop community transmission. People need to use masks consistently, be in ventilated spaces—even if you're vaccinated" #COVID19🧵 https://t.co/qPZTmcy9iW https://t.co/j5V6fbHdoi" / Twitter

https://twitter.com/DrEricDing/status/1408762971485003776