A Transportation Security Administration (TSA) workers's patch is displayed at Philadelphia International Airport, Tuesday, March 24, 2026, in Philadelphia. (AP Photo/Matt Rourke)
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Airline passengers wait outside the terminal in the parking garage in long lines to get through the TSA security screening at William P. Hobby Airport in Houston, Sunday, March 8, 2026. (Brett Coomer/Houston Chronicle via AP)
Airline passengers wait in long lines outside the terminal to get through the TSA security screening at William P. Hobby Airport in Houston, Sunday, March 8, 2026. (Brett Coomer/Houston Chronicle via AP)
Airline passengers wait in long lines to get through the TSA security screening at William P. Hobby Airport in Houston, Sunday, March 8, 2026. (Brett Coomer/Houston Chronicle via AP)
Airline passengers wait in long lines outside the terminal to get through the TSA security screening at William P. Hobby Airport in Houston, Sunday, March 8, 2026. (Brett Coomer/Houston Chronicle via AP)
Airline passengers wait in long lines to get through the TSA security screening at William P. Hobby Airport in Houston, Sunday, March 8, 2026. (Brett Coomer/Houston Chronicle via AP)
The Centers for Disease Control and Prevention is developing guidance that will ease the nationwide mask mandate for public transit next month, according to a U.S. official, but the existing face covering requirement will be extended through April 18.