Investigation of a food-borne outbreak of gastroenteritis in a school canteen revealed a variant of sapovirus genogroup V not detected by standard PCR, Sollentuna, Sweden, 2016 Hergens, Maria-Pia and Nederby Öhd, Joanna and Alm, Erik and Askling, Helena H and Helgesson, Sofia and Insulander, Mona and Lagerqvist, Nina and Svenungsson, Bo and Tihane, Malin and Tolfvenstam, Thomas and Follin, Per, Eurosurveillance, 22, 30543 (2017), https://doi.org/10.2807/1560-7917.ES.2017.22.22.30543