(I think this is a bad ruling and on NPR they did mention it may be overturned at some point.)
WASHINGTON/CHICAGO, April 18 (Reuters) - The Biden administration will no longer enforce a U.S. mask mandate on public transportation, after a federal judge in Florida on Monday ruled that the 14-month-old directive was unlawful, overturning a key White House effort to reduce the spread of COVID-19.
Soon after the announcement, all major carriers including American Airlines (AAL.O), United Airlines (UAL.O) and Delta Air Lines (DAL.N), as well as national train line Amtrak relaxed the restrictions effective immediately. read more
Last week, U.S. health officials had extended the mandate to May 3 requiring travelers to wear masks on airplanes, trains, and in taxis, ride-share vehicles or transit hubs, saying they needed time to assess the impact of a recent rise in COVID-19 cases caused by the airborne coronavirus. read more
If you choose not to wear a mask, you should also sign an affidavit saying you do not wish to be hospitalized if you have COVID and if you are, will pay out of pocket.