Plexiglass barriers are used in offices, airports and casinos. Do they work?

CNN's Randi Kaye speaks to engineers at Florida Atlantic University about the efficacy of plexiglass barriers in preventing the transmission of Covid-19.

source https://www.cnn.com/videos/health/2022/02/04/plexiglass-barriers-covid-kaye-pkg-ac360-vpx.cnn