Research at a hospital swamped by people with COVID-19 has confirmed that portable air filters effectively remove SARS-CoV-2 particles from the air — the first such evidence in a real-world setting1. The results suggest that air filters could be used to reduce the risk of patients and medical staff contracting SARS-CoV-2 in hospitals, the study’s authors say....
The U.S. Centers for Disease Control and Prevention's recommendations for the upcoming holiday season include the idea of using a window fan to keep air at an indoor party as fresh as possible. ...
In Germany, you can buy a rapid Covid-19 test at the grocery store for one euro (a little more than a dollar). In Britain, any household can obtain a pack of seven rapid tests every day for free. In Singapore, you can get a free rapid test from a vending machine. Families in Israel receive at-home rapid tests for their children to use before school. Rapid testing is commonplace in many parts of the world because policymakers recognized early on that the tests could blunt the pandemic by stopping chains of transmission. By letting people know they are infectious, rapid tests are useful even in areas with high vaccination rates and can allow for a safer return to in-person activity.
