CARBONDALE Ill. (WJPF) — 21 students on the campus of SIU have been placed in quarantine in their dorm rooms after possibly being exposed to the coronavirus.

So far, they have not shown any symptoms of the virus.

2 of the 4 cases in Jackson County of COVID-19 are SIU students.

Approximately 350 students still remain on the SIU Carbondale campus.