Aronis, John, Nicholas Millett, Michael Wagner, Fuchiang Tsui, Ye Ye, Jeffrey Ferraro, Peter Haug, and Gregory Cooper. “Detecting Overlapping Outbreaks of Influenza”. Online Journal of Public Health Informatics 9, no. 1 (May 2, 2017). Accessed April 16, 2024. https://ojphi.org/ojs/index.php/ojphi/article/view/7592.