Iskra, Ewelina, Agnieszka Pachnia, Bartłomiej Drop, and Małgorzata Polz-Dacewicz. “The Disease X: Waiting for the Next Pandemic”. Polish Journal of Public Health 132 (September 30, 2022): 31–33. Accessed June 8, 2025. https://czasopisma.umlub.pl/pjph/article/view/1012.