Pennsylvania Gov. Tom Wolf speaks about the importance of Pennsylvanians getting the coronavirus vaccine during a visit to Penn State's Pegula Ice Arena, Wednesday, May 5, 2021, in State College, Pa. (Abby Drey/Centre Daily Times via AP)

Pennsylvania Gov. Tom Wolf speaks about the importance of Pennsylvanians getting the coronavirus vaccine during a visit to Penn State's Pegula Ice Arena, Wednesday, May 5, 2021, in State College, Pa. (Abby Drey/Centre Daily Times via AP)

Gov. Tom Wolf talks with Penn State football coach James Franklin after he spoke about the importance of Pennsylvanians getting the coronavirus vaccine during a visit to Penn State's Pegula Ice Arena, Wednesday, May 5, 2021, in State College, Pa. (Abby Drey/Centre Daily Times via AP)

Pennsylvania Gov. Tom Wolf speaks about the importance of Pennsylvanians getting the coronavirus vaccine during a visit to Penn State's Pegula Ice Arena, Wednesday, May 5, 2021, in State College, Pa. (Abby Drey/Centre Daily Times via AP)

Penn State president Eric Barron talks about the coronavirus mitigation efforts by the university during a visit from Pennsylvania Gov. Tom Wolf, Wednesday, May 5, 2021, at the Pegula Ice Arena in State College, Pa. (Abby Drey/Centre Daily Times via AP)