In an update on the H5N1 avian influenza situation in cats in Poland, as of 13 July 2023, 24 cats and a caracal have tested positive according to the information provided by the Polish authorities. These animals originate from a range of the cities, including Gdańsk, Gdynia, Pruszcz Gdański, Lublin, Bydgoszcz, Warsaw, Poznań, Nowy Dwór Mazowiecki, Wrocław, Rzeszów County, and the vicinity of Zamość.

As noted above, avian influenza A(H5N1) was reported to have been detected in a dead domesticated caracal bred in Elbląg county, Warmian-Masurian Voivodeship. The caracal was tested after its death and, according to unofficial information, it could possibly have come into contact with birds. This is the first case in Elbląg county. The second case of avian influenza in Warmian-Masurian Voivodeship is in a domestic cat in Iława county.

The Polish authorities are following up people who have had contact with infected cats. To date, no human cases have been reported in Poland.