Between December 19 and 25, the department administered 319 tests, resulting in one new positive.
Penn State will open its season on Friday, January 22 with a two-game series at Michigan.
Toney is the third Nittany Lion to declare for the draft so far this cycle.
Dixon is the second player to join the Nittany Lions through the transfer portal this month.
"At some point, we will emerge from the pandemic, and we need to be ready to move decisively forward, guided by a vision that inspires all of us."
International students with extenuating circumstances can begin moving back into the dorms on January 4.