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Increase in cases of avian influenza in poultry and waterfowl (EFSA, December 20, 2022)

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  • Increase in cases of avian influenza in poultry and waterfowl (EFSA, December 20, 2022)

    Increase in cases of avian influenza in poultry and waterfowl

    Published :
    December 20, 2022


    In their latest report, EFSA, the European Center for Disease Prevention and Control (ECDC) and the European Union Reference Laboratory indicate that the cases of highly pathogenic avian influenza (HPAI) identified in Europe in poultry and waterfowl have increased since the summer.

    While the number of HPAI virus detections in seabird breeding colonies has dropped since the previous reporting period (June to September 2022), the number of cases in waterfowl and poultry has, meanwhile, increased. The increase in the number of outbreaks in poultry since the summer could be linked to the spread of the virus through aquatic birds. Detailed information on the number of cases and their evolution is available on a new interactive dashboard published today by EFSA.

    The current HPAI epidemic is the largest ever observed in Europe. During the first year of the epidemic (October 2021 - September 2022), a total of 2,520 outbreaks in poultry, 227 outbreaks in captive birds and 3,867 detections in wild birds were reported in 37 European countries. Some 50 million birds have been slaughtered on affected farms. With the unusual persistence of HPAI in wild birds and poultry throughout the summer of 2022, there is no longer, for the first time, a marked separation between the end of the first year of the epidemic and the start of this year's episode of HPAI, which began in October 2022.

    According to the conclusions of the ECDC, which also contributed to the report, the risk of infection is low for the general human population in the EU/EEA, and low to medium for those occupationally exposed.

    Following a request from the European Commission , EFSA is currently assessing the availability of HPAI vaccines for poultry and examining possible vaccination strategies. The conclusions of this work, which also involves the European Medicines Agency (EMA) and the European Union Reference Laboratory, will be available in the second half of 2023.

    Links to scientific documents

    Avian influenza overview September – December 2022


    Dans leur tout dernier rapport, l’EFSA, l’ECDC et l'EURL indiquent que les cas d’influenza aviaire hautement pathogène (IAHP) recensés en Europe chez les volailles et les oiseaux aquatiques augmentent depuis l’été.

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