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Seroprevalence of avian influenza in Baltic common eiders (Somateria mollissima) and pink-footed geese (Anser brachyrhynchus)

Lam SS 1 , Tjørnløv RS 2 , Therkildsen OR 3 , Christensen TK 4 , Madsen J 5 , Daugaard-Petersen T 6 Show all authors , Ortiz JMC 7 , Peng W 8 , Charbonneaux M 9 , Rivas EI 6 , Garbus SE 6 , Lyngs P 10 , Siebert U 11 , Dietz R 12 , Maier-Sam K 13 , Lierz M 14 , Tombre IM 15 , Andersen-Ranberg EU 16 , Sonne C 17

Affiliations 

  • 1 Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou 450002, China; Pyrolysis Technology Research Group, Institute of Tropical Aquaculture and Fisheries (Akuatrop), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia. Electronic address: lam@umt.edu.my
  • 2 Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark. Electronic address: rst@bios.au.dk
  • 3 Aarhus University, Department of Bioscience, Grenåvej 14, DK-8410 Rønde, Denmark. Electronic address: oth@bios.au.dk
  • 4 Aarhus University, Department of Bioscience, Grenåvej 14, DK-8410 Rønde, Denmark. Electronic address: tk@bios.au.dk
  • 5 Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark. Electronic address: jm@bios.au.dk
  • 6 Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
  • 7 Department of Biology, Norwegian University of Science and Technology, 7491 Trondheim, Norway. Electronic address: jcastano@icra.cat
  • 8 Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou 450002, China
  • 9 Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark. Electronic address: mael.charbonneaux@vet-alfort.fr
  • 10 Christiansø Scientific Field Station, Christiansø 97, DK-3760 Gudhjem, Denmark
  • 11 Institute for Terrestrial and Aquatic Wildlife Research, University of Veterinary Medicine Hannover, Foundation, GE-25761 Büsum, Germany. Electronic address: Ursula.Siebert@tiho-hannover.de
  • 12 Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark. Electronic address: rdi@bios.au.dk
  • 13 Clinic for Birds, Reptiles, Amphibians and Fish, Justus-Liebig-University Giessen, Frankfurter Str. 91-93, GE-35392 Giessen, Germany. Electronic address: Kristina.Maier@vetmed.uni-giessen.de
  • 14 Clinic for Birds, Reptiles, Amphibians and Fish, Justus-Liebig-University Giessen, Frankfurter Str. 91-93, GE-35392 Giessen, Germany. Electronic address: Michael.Lierz@vetmed.uni-giessen.de
  • 15 Department of Arctic Ecology, The Fram Centre, Norwegian Institute for Nature Research (NINA), P.O. Box 6606 Langnes, N-9296 Tromso, Norway. Electronic address: ingunn.tombre@nina.no
  • 16 University of Copenhagen, Department of Clinical Veterinary Sciences, Dyrlægevej 16, DK-1870 Frederiksberg C, Denmark. Electronic address: emilie.ranberg@sund.ku.dk
  • 17 Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark; Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou 450002, China. Electronic address: cs@bios.au.dk
Environ Int, 2020 09;142:105873.
PMID: 32585505 DOI: 10.1016/j.envint.2020.105873

Abstract

Blood plasma was collected during 2016-2018 from healthy incubating eiders (Somateria molissima, n = 183) in three Danish colonies, and healthy migrating pink-footed geese (Anser brachyrhynchus, n = 427) at their spring roost in Central Norway (Svalbard breeding population) and their novel flyway through the Finnish Baltic Sea (Russian breeding population). These species and flyways altogether represent terrestrial, brackish and marine ecosystems spanning from the Western to the Eastern and Northern part of the Baltic Sea. Plasma of these species was analysed for seroprevalence of specific avian influenza A (AI) antibodies to obtain information on circulating AI serotypes and exposure. Overall, antibody prevalence was 55% for the eiders and 47% for the pink-footed geese. Of AI-antibody seropositive birds, 12% (22/183) of the eiders and 3% (12/427) of the pink-footed geese had been exposed to AI of the potentially zoonotic serotypes H5 and/or H7 virus. AI seropositive samples selected at random (n = 33) showed a low frequency of serotypes H1, H6 and H9. Future projects should aim at sampling and isolating AI virus to characterize dominant serotypes and virus strains (PCR). This will increase our understanding of how AI exposure may affect health, breeding and population viability of Baltic common eiders and pink-footed geese as well as the potential spill-over to humans (zoonotic potential).

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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