A foodborne outbreak due to Cryptosporidium parvum in Helsinki, November 2008
Pönka, A and Kotilainen, H and Rimhanen-Finne, R and Hokkanen, P and Hänninen, M L and Kaarna, A and Meri, T and Kuusi, M, Eurosurveillance, 14, 19269 (2009), https://doi.org/10.2807/ese.14.28.19269-en