Other students have been kicked out of residence halls and suspended for not following public health directives, said Dr. Julio Frenk, the university's president.
The university's dashboard says 156 people have tested positive in the university system.
In response, everyone who tested positive was moved into isolation, and those who were potentially exposed to the virus have been ordered to stay in their rooms.
Similar challenges are being addressed at other colleges in Florida, where the Department of Public Health reported 4,545 COVID-19 hospitalizations Tuesday, along with about 2,600 new virus cases.
The county mayor said he was meeting university officials to discuss other measures to make sure students follow public health rules.