Staff Report SIU Medicine has new COVID-19 testing sites on Fridays during March. It is keeping its testing site at Abundant Faith Christian Center, 2525 Taylor Ave. The testing is from 9 to 11 a.m. and 1 to 4 p.m. on Mondays, Tuesdays and Thursdays. On Fridays, the sites will rotate between four churches: Second Timothy Baptist Church, 1122 E. Pine St., on March 5; Westminster Presbyterian Church, 533 S. Walnut St., March 12; Douglas Avenue United Methodist Church, 501 S. Douglas Ave., March 19 and Mount Zion Apostolic Church, 2637 S. 10th St., March 26. All Friday sites operate from 9 a.m. to noon. Before getting tested, patients should wait at least four days from a possible exposure to get the most accurate test result and quarantine at home until a result has been given.