US coronavirus: Leaders and businesses say masks are essential protection as Texas and Mississippi lift Covid-19 restrictions

a person holding a sign: AUSTIN, TX - MARCH 03: A customer leaves H-E-B on March 3, 2021 in Austin, Texas. The popular Texas supermarket chain will not require customers to wear masks when the statewide mask mandate ends on March 10, 2021. (Photo by Montinique Monroe/Getty Images)