Chick-fil-A manager called in to help drive-thru back up at COVID-19 vaccine site Chick-fil-A manager helps with COVID drive-thru By Ray Rivera | January 27, 2021 at 4:13 PM CST - Updated January 28 at 7:40 AM MOUNT PLEASANT, S.C. (WCSC) - What do you do when your COVID-19 vaccine drive-thru line is backed up? You seek out the professionals. That’s what Mount Pleasant Mayor Will Haynie did calling up the expertise of Chick-fil-A manager Jerry Walkowiak. In a tweet posted on Jan. 22, Haynie posted a video of Walkowiak in action at one of the town’s vaccination drive-thru centers showcasing the manager in action, saying, ”When you need help, call the pros.”