Considerable mortality of blackbirds due to usutu is reoccurring
From July to September 2024 increased disease occurrence and correlating mortality were noticed, especially in blackbirds. Reports to the DWHC and Sovon increased steeply (see also
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Increased mortality in hares due to myxoma-like virus infection
Since August 1st, the number of reports of sick and dead hares (Lepus europaeus) has increased. These reports are mainly from Gelderland and Overijssel.
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Sick and weakened swans: “zombie swans”
At the end of last year, the DWHC received the first reports of stunned and weakened swans that behaved like “zombies”. At first, it was thought that there was a resurgence of bird flu (Avian Influenza, AI) among swans. However, investigation showed that they were not infected with it.
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Annual report 2023 of DWHC
The annual report containing an overview of all activities of the DWHC for 2023 is now available. Click here to view the annual report.
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Once again an increased mortality of common blackbirds
The last couple of weeks, an above average amount of ill and dead common blackbirds has been reported to the DWHC from all over the Netherlands. A selection of these birds has been examined and tested positive for infection with the Usutu-virus. This virus has caused a higher mortality among common blackbirds
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