Here’s the harsh reality of virus transmission: If someone in your family gets sick, the infection probably came from you, another family member or someone you know. The main way coronavirus is transmitted is through close contact with an infected person in an enclosed space. This requires everyone to be honest about the precautions they’re taking (or not taking). Dr. Osterholm said that convincing people that their friends might infect them has been one of the biggest challenges of the pandemic. “Even the simplest cloth mask of one layer of material blocks half or more of aerosols we think are important to transmission.”

Source: New York Times December 19, 2020 02:56 UTC