218: A CASE OF ADULT MULTISYSTEM INFLAMMATION SYNDROME FOLLOWING COVID-19 VACCINE. (16th December 2021) - Brown, Meghan; Garbajs, Nika Zorko; Garces, Juan Pablo Domecq; Tekin, Aysun; Bansal, Vikas; Das, Subhraleena; Muigai, Maureen; Boisseau, Robert; Khan, Syed Anjum; Gajic, Ognjen; Jain, Nitesh