Hepatitis A - Annual Epidemiological Report 2022

Surveillance report
Publication series: Annual Epidemiological Report
Time period covered: This report is based on data for 2022 retrieved from The European Surveillance System (TESSy) on 11 October 2023.

European Centre for Disease Prevention and Control. Hepatitis A. In: ECDC. Annual Epidemiological Report for 2022. Stockholm: ECDC; 2024.

In 2022, 30 EU/EEA countries reported 4 548 cases of hepatitis A.

The EU/EEA notification rate was one case per 100 000 population. Twenty EU/EEA countries hadnotification rates below one case per 100 000 population. The countries with the highest notificationrates were Hungary (5.5), Croatia (5.3) Romania (4.8), and Bulgaria (4.4).

The reported number of cases and the EU/EEA notification rate in 2022 were similar to 2020 and 2021, butremained lower than the years preceding the COVID-19 pandemic.

Similar to previous years, children between 5–14 years of age accounted for a large proportion of cases(20%) and had the highest notification rate (2.0 cases per 100 000 population).

In 2022, six multi-country clusters of hepatitis A were reported to EpiPulse. Five clusters were causedby hepatitis A sub-genotype IB virus and one cluster was caused by hepatitis A sub-genotype IA virus.