- CDC issues rule requiring travelers to wear face masksPOLITICO
- CDC Issues Mask Mandate On Planes, Public TransportationCBS New York
- CDC orders sweeping U.S. transportation mask mandate as COVID-19 ragesYahoo News
- CDC says travelers must wear masks on all forms of public transportationCNN
- CDC Order Will Require Masks On Planes, Trains And Other Public Transportation : Coronavirus UpdatesNPR
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