We know a lot more about COVD-19 than we did in 2020 and yet we're still learning. We will continue to provide important updates. You can search previous questions and answers as well as read related blog posts and reference our COVID glossary.Additional information on coronavirus and COVID-19 can be found on other pages within the Resource Center.No results matched your search.aerosols: infectious viral particles that can float or drift around in the air. Aerosols are emitted by a person infected with coronavirus — even one with no symptoms — when they talk, breathe, cough, or sneeze....…We know a lot more about COVD-19 than we did in 2020 and yet we're still learning. We will continue to provide important updates. You can search previous questions and answers as well as read related blog posts and reference our COVID glossary.Additional information on coronavirus and COVID-19 can be found on other pages within the Resource Center.No results matched your search.aerosols: infectious viral particles that can float or drift around in the air. Aerosols are emitted by a person infected with coronavirus — even one with no symptoms — when they talk, breathe, cough, or sneeze....WW…