The US Centers for Disease Control and Prevention has issued new recommendations highlighting the significance of good ventilation in preventing the spread of COVID-19 in schools and daycares. The key recommendation is “Open a window”.

For the first time, the CDC has separately stressed on the role of ventilation in preventing the spread of coronavirus. While the agency had previously talked about ventilation in its guidelines to schools, this time, an entire page has been dedicated to the matter. The CDC states that if it is safe to open doors and windows, it should be done. However, if it poses a safety or health risk, like falling, they should not be opened. The agency also advises to open the windows in transportation vehicles… (CNN, February 27, 2021)