For months, the Transportation Security Administration had been enforcing a requirement that passengers and workers wear masks.
The government had repeatedly extended the mandate, and the latest one had been set to expire May 3. But a federal judge in Florida struck down the rule on April 18. The same day, the TSA said it would no longer enforce the mandate.
The CDC asked the Justice Department to appeal the decision, which the department did. On Tuesday, CDC officials declined to comment on the status of the appeal. DOJ officials did not immediately respond to a request for information.
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