North Texans told to mask up again after CDC changes advice for vaccinated people North Texans told to mask up again after CDC changes advice for vaccinated people New guidance says those who are vaccinated should wear a mask indoors in places with high or substantial community transmission, including most of Dallas-Fort Worth. Signs encouraged fans to wear face masks as the Texas Rangers faced the Baltimore Orioles at Globe Life Field on April 17, 2021.(Smiley N. Pool / Staff Photographer) Like many North Texans, Sarah Watkins followed federal advice and stopped wearing her mask after getting her COVID-19 vaccine earlier this year.