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Updated: Dec 25, 2025
Influenza A Virus Studies in a Mouse Model of Infection
Published on: September 7, 2017
Serologic investigation of influenza A virus infection in dogs in Poland
Malgorzata Kwasnik1,2, Marcin Smreczak1,2, Jerzy Rola1,2
1Departments of Virology (Kwasnik, Smreczak, Rola, Rozek), National Veterinary Research Institute, Pulawy, Poland.
Abstract:
The 2 predominant circulating subtypes of influenza A virus in the dog population, equine-origin H3N8 and avian-origin H3N2, constitute a potential zoonotic risk. We determined the prevalence of influenza A antibodies in 496 dogs in Poland and found 2.21% of sera positive by commercial ELISA. Hemagglutination inhibition (HI) assays indicated 7.25% of sera positive using equine H3N8, swine H3N2, and pandemic H1N1 antigens, with the most frequently detected immune response being to H3N2. Considering interspecies transfer, reassortment ability, and close contact between dogs and humans, infections of dogs with influenza A virus should be monitored.
