The number of outbreaks and people sick in them in 2022 went up from the year before, based on new data from Norway.
A total of 34 foodborne outbreaks were reported in 2022, which is up from 23 and 25 outbreaks in 2020 and 2021 but lower than the 46 outbreaks in 2019.
Overall, 628 people were sick this past year with the largest incident affecting 100 people, according to a report published by the Norwegian Institute of Public Health (FHI). In the 25 outbreaks in 2021, 327 patients were recorded.
Eight norovirus outbreaks sickened 135 people in 2022. Five outbreaks with 148 cases were caused by Salmonella. Cryptosporidium and Yersinia were behind three each with 14 and 51 patients, respectively.
Ten people were sick in two Listeria outbreaks. One Campylobacter outbreak had six patients and one E. coli event affected seven people. The agent was unknown for 11 outbreaks with 257 cases.
Most foodborne outbreaks were reported in connection with restaurants, cafes and other catering establishments.