ADIS weekly update: avian disease outbreaks in Europe (16–22 April 2026)

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The latest ADIS weekly notification from the European Commission provides an overview of animal disease outbreaks reported between 16 and 22 April 2026, based on data available at the time of publication on 23 April 2026 .

For the poultry sector, the report confirms the presence of high pathogenicity avian influenza (HPAI H5N1) in poultry, captive birds and wild birds.

In poultry, outbreaks were reported in Germany (1 outbreak) and Poland (10 outbreaks) during the reporting period .

In captive birds, 3 outbreaks of HPAI H5N1 were reported in Poland .

In wild birds, HPAI H5N1 outbreaks were reported in multiple countries, including Austria (9 outbreaks), Germany (39 outbreaks), Denmark (9 outbreaks), Poland (7 outbreaks), Sweden (7 outbreaks), Finland (2 outbreaks), France (3 outbreaks) and Norway (2 outbreaks) .

The affected wild bird species reported include mute swan, geese, gulls, buzzards and other bird species, depending on the notification and location .

The report also includes notifications of Newcastle disease virus in poultry, with 2 outbreaks in Germany and 2 outbreaks in Poland . Additional cases in non-poultry bird populations were reported in the Czech Republic (2 outbreaks), Germany (3 outbreaks), Latvia (1 outbreak) and Poland (2 outbreaks) .

Each notification includes the country, disease type, outbreak reference, affected species and the smallest administrative division where the case was detected .

The data reflect the situation as recorded in the ADIS system at the time of report generation and are based on official notifications submitted by Member States .