Sarah Nadeau Visiting Postdoc, Fred Hutchinson Cancer Research Center sarahnadeau266@gmail.com This is a write-up I put together during a two-month visit to Erick Matsen’s group. Many thanks to Erick and his group for supporting the project. Thanks also to Jakob McBroome, Christopher Gulvik, and Jay Gee for helpful comments. Any errors are entirely my own. Problem statement Identifying transmission clusters in a pathogen outbreak - epidemiologically linked cases - is key to identifying at-r...