page = covid-19 : npr url = https://www.npr.org/tags/804916759/covid-19 analysed @ 2021-05-01 22:07 UTC For about a year, major U.S. commercial airlines have required all passengers who are older than 2 to wear face masks on flights. Joe Raedle/Getty Images hide caption
For about a year, major U.S. commercial airlines have required all passengers who are older than 2 to wear face masks on flights. Joe Raedle/Getty Images hide caption