Plastic shields, barriers for COVID-19 precaution not likely to help
https://healthell.blogspot.com/2021/08/plastic-shields-barriers-for-covid-19.html
Plastic shields, barriers for COVID-19 precaution not likely to help
Plastic shields propped up in classrooms to reduce COVID-19 spread likely don’t offer much benefit, interrupting airflow and increase risk of exposure, according to a news report and emerging evidence.