Wastewater study finds masks prevent COVID-19 in schools

A study that used wastewater signals to identify cases of COVID-19 found that even a small increase in the proportion of people wearing masks at elementary schools in one California county significantly reduced the chance of a case.
The findings were reported Wednesday at the Conference on Retroviruses and Opportunistic Infections by Rebecca Fielding-Miller, PhD, MSPH, an assistant professor of infectious diseases and global public health at the University of California, San Diego.
“There have been some really nice studies looking at the impact of ... masking policy on COVID cases, and

A study that used wastewater signals to identify cases of COVID-19 found that even a small increase in the proportion of people wearing masks at elementary schools in one California county significantly reduced the chance of a case.
The findings were reported Wednesday at the Conference on Retroviruses and Opportunistic Infections by Rebecca Fielding-Miller, PhD, MSPH, an assistant professor of infectious diseases and global public health at the University of California, San Diego.
“There have been some really nice studies looking at the impact of … masking policy on COVID cases, and