One of Dr. Gaefke’s areas of interest is immunodeficiency. She is the main co- author in a  case series of the difficult to diagnose illness called autoimmune lymphoproliferative syndrome. With this work, a previously unreported mutation variant has now been linked to the syndrome. Her recent work has been published in Frontiers in Pediatrics. https://www.frontiersin.org/articles/10.3389/fped.2021.624116/full