Two of the biggest obstacles to access, health experts say, are in the ways people can sign up for vaccines and where they can actually go to get the shots. “Right now [we’re] using hospitals and we’re using pharmacies, of which 70% of those health care resources are in predominantly white communities,” said Dr. Ebony Hilton, UVA associate professor of anesthesiology and critical care. “They are still using the Internet for people to sign up, right? And what we know is that … our children were directly impacted by the fact that we don’t have WiFi at the same access to WiFi as other communities...