Fatal case of diphtheria in an unvaccinated infant, Finland 2001 Nuorti, P and Suomalainen, Pekka and Heiskanen-Kosma, T and Vuopio-Varkila, J and Efstratiou, A and Crowcroft, N and White, J, Weekly releases (1997–2007), 6, 2011 (2002), https://doi.org/10.2807/esw.06.04.02011-en