Ventilation helps make public transit safer from spread of Covid-19, experts say, but masks are better
CNN
Although a federal judge struck down the Biden administration's mask mandate for public transportation Monday, some experts say you don't want to throw out your mask just yet. No matter the form of public transportation -- planes, trains, trams, subways, buses or even rideshares -- good ventilation can help reduce the spread of Covid-19, but masks work best.
"You can't engineer your way out of a problem like this," said Krystal Pollitt, an assistant professor of epidemiology and assistant professor in chemical and environmental engineering at the Yale Institute for Global Health.
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