Cheese-related listeriosis outbreak, Portugal, March 2009 to February 2012 Magalhães, R and Almeida, G and Ferreira, V and Santos, I and Silva, J and Mendes, M M and Pita, J and Mariano, G and Mâncio, I and Sousa, M M and Farber, J and Pagotto, F and Teixeira, P, Eurosurveillance, 20, 21104 (2015), https://doi.org/10.2807/1560-7917.ES2015.20.17.21104