10 October 2020
twitter@nytimesCenters for Disease Control and PreventionTransportationUS PoliticsCDCPublic TransitHealth and Human Services DepartmentHealth and Human ServicesMaskRobert R. RedfieldMasksTransit SystemsCoronavirus;COVID-19Coronavirus (2019-nCoV)Redfield, Robert RHealthUnited States Politics and Governmentnytimes.com
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