REMINDER: Columbus County hosting first mass vaccination event on Saturday UPDATE: Columbus County will include Group 4 in mass vaccination event held on March 20 By WECT Staff | March 8, 2021 at 10:10 AM EST - Updated March 19 at 4:30 PM COLUMBUS COUNTY, N.C. (WECT) - Just a reminder, the Columbus County Health Department will host its first mass vaccination event on Saturday, March 20. Officials say 1,000 doses of the Johnson & Johnson one-shot vaccine will be administered to eligible individuals in Groups 1, 2, 3, and 4 on a first come, first served basis. The event will take place at Southeastern Community College, located at 4564 Chadbourn Hwy, Whiteville, from 9 a.m. to 4 p.m.