COVID cases continue to rise after students returned to U-M's Ann Arbor campus.

ANN ARBOR – Quarantine and isolation housing occupancy at the University of Michigan stood at 52.2% on Monday, according to the school’s COVID-19 data dashboard. Mary Markley residence hall is currently housing the most students with positive COVID-19 cases. U-M and the Washtenaw County Health Department on Saturday released an order requiring all residents in Markley to practice enhanced social distancing and to stop attending in-person classes for 14 days. Here’s how the numbers break down, according to residence hall:Mary Markley: 99South Quadrangle: 47West Quadrangle: 37East Quadrangle: 17Mosher Jordan Hall: 17Oxford Housing: 13Alice Lloyd Hall: 7Bursley Hall: 7Couzens Hall: 5As of Monday afternoon, the university has not posted data for Oct. 19 as coronavirus cases rise across the state. To see U-M’s COVID-19 data dashboard, visit www.campusblueprint.umich.edu/dashboard.