Young adults are preparing to travel home for Thanksgiving, but the coronavirus is making things complicated. Epidemiologists say there are things families can to do reduce the risk of infection.

The NCAA Division I Council voted to push the start date back two weeks from Nov. 10, saying most of its schools will have ended in-person classes for the fall semester by then, reducing exposures.

Many of the students were attending off-campus parties in groups of 10 or more, prompting concern and pleas for cooperation from administrators.

More than 530 of those cases are at its flagship campus in Tuscaloosa, prompting Mayor Walt Maddox to order bars to close for two weeks.

UNC-Chapel Hill had to cancel in-person classes after a surge in coronavirus cases. Mimi Chapman tells NPR that "should give every other large public university in the country pause."