Occurrence of malformed calves in April - May 2021 indicates an unnoticed 2020 emergence of Schmallenberg virus in Denmark
Jørgen Steen Agerholm, Department of Veterinary Clinical Sciences, University of Copenhagen, Højbakkegaard Allé 5A, DK- 2630 Høje Taastrup, Denmark, jager@sund.ku.dk, ORCID 0000-0003-1653-4552
Kerstin Wernike, Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald – Insel Riems, Germany, kerstin.wernike@fli.de, ORCID 0000-0001-8071-0827