Update 2022-04-19: According to media reports, the mask requirement on public transport (such as planes, trains and buses) within the United States was lifted on Monday (18 April) following a legal ruling by a federal judge in Florida.
Update 2022-04-19: According to media reports, the mask requirement on public transport (such as planes, trains and buses) within the United States was lifted on Monday (18 April) following a legal ruling by a federal judge in Florida.