Open a window to reduce virus spread, CDC tells schools in new ventilation recommendations
It’s the first time the agency has separately emphasized the role ventilation plays in helping or preventing the spread of the virus, which is transmitted in tiny particles called aerosols, as well as via larger particles. The CDC had previously mentioned ventilation in its guidance to schools, but now dedicates a full page to the issue. “If safe to do so, open windows and doors,” the CDC advises. “Even just…