Publications by authors named "I P Sobolev"

Researchers have identified Avastrovirus as a significant genus of bird viruses, linked to various avian diseases such as enteritis, growth retardation, nephritis and hepatitis. These infections can cause substantial economic losses in agrocultureand have a widespread impact on global food production. Although there have been numerous studies on these viruses, most of them-mainly focuses on poultry.

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  • The study investigates hantaviruses in bats, specifically focusing on common noctules and other bat species from Rostov Bat Rehabilitation Center in Russia.
  • Hantaviruses were detected in 4.94% of blood samples and 1.1% of fecal samples from common noctules, suggesting these bats can harbor these viruses.
  • Phylogenetic analysis indicates that the detected viruses are closely related to Loanvirus brunaense, previously identified in Central European bats, highlighting the potential for these viruses to be species-specific and geographically widespread.
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  • Influenza A virus has a segmented RNA genome, allowing for reassortment, which can create new virus variants, primarily circulating among wild waterfowl during their migrations.* -
  • In 2023, an analysis of 84 biological samples from birds and marine mammals in Antarctica indicated the presence of avian influenza virus variants, specifically H3N8 and H1N1.* -
  • The research underscores the importance of understanding genetic diversity in influenza A viruses in polar regions to inform strategies against potential biological threats.*
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  • Highly pathogenic avian influenza A(H5N1) virus was found in dead seals on Tyuleniy Island in eastern Russia.
  • The viruses discovered in the northern fur seals belong to clade 2.3.4.4b.
  • These viruses are closely related to those reported in the Russian Far East and Japan during 2022-2023.
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This study reviews chronologically the international scientific and health management literature and resources relating to impacts of highly pathogenic avian influenza (HPAI) viruses on pinnipeds in order to reinforce strategies for the conservation of the endangered Caspian seal (), currently under threat from the HPAI H5N1 subtype transmitted from infected avifauna which share its haul-out habitats. Many cases of mass pinniped deaths globally have occurred from HPAI spill-overs, and are attributed to infected sympatric aquatic avifauna. As the seasonal migrations of Caspian seals provide occasions for contact with viruses from infected migratory aquatic birds in many locations around the Caspian Sea, this poses a great challenge to seal conservation.

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