Research – Campylobacteriosis – Annual Epidemiological Report for 2021


The notification of campylobacteriosis is mandatory in 22 EU Member States, Iceland, Liechtenstein, and Norway. In five EU Member States (Belgium, France, Greece, Italy, and the Netherlands) notification is voluntary. The surveillance systems for campylobacteriosis have full national coverage in all EU Member States except four (France, Italy, the Netherlands, and Spain). The coverage of the surveillance system in 2021 is estimated to be 20% in France and 64% in the Netherlands. These proportions were used when calculating notification rates for these two EU Member States. No estimate of population coverage in Italy and Spain was provided, so notification rates were not calculated for these two countries. The drop in cases in Luxembourg in 2019 is a surveillance artefact caused by a change to non-culture-based methods (PCR) in private laboratories, resulting in a reduced number of isolates sent to the national reference laboratory. From 2020, laboratory confirmation with PCR is included in the notification system which, along with a new electronic laboratory notification system, is expected to result in an increase in Campylobacter notifications. Greece has reported data on laboratory-confirmed cases collected from public hospitals from 2018 onwards. For 2020 and 2021, Spain has not yet received data from all regions normally reporting and the case numbers are therefore lower than expected. All countries reported case-based data except Belgium, Bulgaria, and Greece, which report aggregated data. Both reporting formats were included to calculate numbers of cases, notification rates, disease trends, and age and gender distributions.

Click to access campylobacteriosis-annual-epidemiological-report-2021.pdf

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