Neue Daten deuten auf eine deutliche Verbreitung von Geflügelpest-Viren unter Milchkühen in den USA hin. Bislang wurden Infektionen mit hochpathogenem aviären Influenzavirus vom Subtyp H5N1 (HPAIV H5N1) in 34 Milchkuhbetrieben aus neun Bundesstaaten der USA festgestellt, darunter auch in symptomfreien Tieren. PCR-Nachweise von kontaminierter Milch in Supermärkten legen jedoch nahe, dass deutlich mehr Höfe betroffen […]
USA: Experten besorgt über Ausbreitung der Vogelgrippe bei Kühen
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