Extensive Schmallenberg virus circulation in Germany, 2023
Schmallenberg virus (SBV) and bluetongue virus (BTV) are both transmitted by Culicoides biting midges and infect predominantly ruminants. To investigate the extent of virus spread in the 2022 and 2023 vector seasons, we serologically tested wild ruminants from western Germany. While antibodies again...
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Veröffentlicht in: | Veterinary research (Paris) 2024-10, Vol.55 (1), p.134-3, Article 134 |
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Sprache: | eng |
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Zusammenfassung: | Schmallenberg virus (SBV) and bluetongue virus (BTV) are both transmitted by Culicoides biting midges and infect predominantly ruminants. To investigate the extent of virus spread in the 2022 and 2023 vector seasons, we serologically tested wild ruminants from western Germany. While antibodies against BTV were not detected in any animal, regardless of age or sampling time, numerous wild ruminants tested positive for antibodies to SBV. In 2022, a low seroprevalence of 4.92% was measured. In sharp contrast, 40.15% of the animals tested positive in 2023. Of the young animals, about 31.82% were seropositive, clearly indicating large-scale SBV circulation in summer and autumn 2023. |
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ISSN: | 1297-9716 0928-4249 1297-9716 |
DOI: | 10.1186/s13567-024-01389-5 |