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"This virus is serious and should not be taken lightly," the 57-year-old Ewing said in a statement. "I want to encourage everyone to stay safe and take care of yourselves and your loved ones.
"Now more than ever, I want to thank the health care workers and everyone on the front lines. I'll be fine and we will all get through this."
Ewing is the only member of the Hoyas men's program to test positive for the coronavirus, according to the release.
The 2008 inductee into the Naismith Memorial Basketball Hall of Fame has amassed a 49-46 record since returning to coach his alma mater in 2017.