Masks work! Amazing study of 26 elementary schools that pulled wastewater samples every 15 minutes. Researchers observed the masked percentage in the school. “The odds of a positive wastewater signal in the 5 days after one of these observations decreased by 47% for each 10% increase in the proportion of people who were fully masked."
“It doesn't have to be all or nothing. Even a little nudge can keep kids safer at school.”
Here is a great online tool for visually estimating your #COVID19 risks. This interactive tool can show you the ways an infected person can infect others in different scenarios. Singing indoors (concerts, churches, etc.) is high risk (left), but if both people wear surgical masks, the risk is considerably less (right). #WearAMask! Here's the tool: https://www.bmj.com/content/375/bmj-2021-065312
Harry Rutter and colleagues reflect on the challenges of conveying uncertain estimates for viral transmission in a complex system
Scientific understanding about the epidemiology, genetics, and continuing evolution of covid-19 has been transformed si…
