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Chicken Identified as Source of Campylobacteriosis in Denmark

07/14/2021

A study conducted in Denmark in 2019 confirmed 5,389 diagnosed cases of Campylobacter infection representing an incidence rate of 93/100,000 population.  During 2019, approximately 33 percent of chicken meat samples yielded Campylobacter at slaughter.  The previous 2015-2017 study applying whole genome sequencing demonstrated numerous outbreak clusters with 774 or 27 percent of the cases linked to chicken meat. Vehicles of infection for domestically acquired infections included chicken meat, mince beef and fresh strawberries.  Based on data collected it was suggested that whole genome sequencing could be used to correlate human outbreaks with farms or plants of origin in order to implement specific preventive interventions. In the interim a campaign to upgrade the cold chain and to improve hygienic handling and thorough cooking of chicken and ground beef would reduce the approximate incidence rate of domestically acquired campylobacteriosis of 45 cases/100,000 population in Denmark closer to the presumed U.S. value of 5 to 10 cases/100,000 population annually


State Serum Institute. The Danish National Public Health Laboratory