Excellent #PublicHealth video by the German Association for Air Hygiene (@dagl.bsky.social). 😷🦠😷It's also available on YouTube: youtu.be/zP4ysf0A-fg #PublicHealth #Healthcare #COVID #COVIDIsAirborne #AirQuality #IndoorAirQuality #LongCOVID #911Remembrance #OneOfTheTwo