The Wolf administration and a bipartisan group of state lawmakers are forming a vaccine task force that will brainstorm ways to get COVID-19 shots into Pennsylvanians’ arms more rapidly. A persistent lack of supply and poor distribution system have slowed efforts to vaccinate more than 4 million Pennsylvania residents who are currently eligible for the vaccine. Only about a quarter of those residents — including people age 65 and over and younger people with serious medical conditions — have gotten at least one of the two required doses.