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, buse…

(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… [+8026 chars]

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