CHESTER COUNTY, Pa. - Mask or no mask? It's the question on everyone's minds. Following the CDC updated guidance, Pennsylvania leaders say you can now go without masks indoors and outdoors in most places if you are fully vaccinated If you don’t have your shot, you still have to mask up.Most of us can relate to the West Chester dad of two, but he’s slowly getting used to a world where he doesn’t have to worry his son remembered his mask.Chester County now allows anyone, vaccinated, or not engaging in "high exertion outdoor activities" to do so without a mask that applies to students and staff at all county school districts.