Results 41 to 50 of about 2,387 (153)

An active serological survey of antibodies to newcastle disease and avian influenza (H9N2) viruses in the unvaccinated backyard poultry in Bushehr province,Iran, 2012–2013

open access: yesAsian Pacific Journal of Tropical Biomedicine, 2014
Objective: To test the antibodies against newcastle disease virus (NDV) and avian influenza virus (AIV, H9N2) in the unvaccinated backyard poultry in Bushehr province, Iran from 2012 to 2013.
Yousef Saadat   +3 more
doaj   +1 more source

Dendritic Cells: Origin, Classification, Development, Biological Functions, and Therapeutic Potential

open access: yesMedComm, Volume 6, Issue 11, November 2025.
This review systematically summarizes dendritic cells (DCs) originating from hematopoietic stem cells, their major subsets (cDC1s, cDC2s, pDCs, moDCs, LCs) and core functions (antigen capture/presentation, adaptive immunity activation, immune tolerance induction, and regulation of innate immune cells).
Fangfang Jin   +7 more
wiley   +1 more source

PA from a Recent H9N2 (G1-Like) Avian Influenza A Virus (AIV) Strain Carrying Lysine 367 Confers Altered Replication Efficiency and Pathogenicity to Contemporaneous H5N1 in Mammalian Systems [PDF]

open access: yesViruses, 2020
Egypt is a hotspot for H5- and H9-subtype avian influenza A virus (AIV) infections and co-infections in poultry by both subtypes have been frequently reported. However, natural genetic reassortment of these subtypes has not been reported yet. Here, we evaluated the genetic compatibility and replication efficiency of reassortants between recent isolates
Mostafa, Ahmed   +10 more
openaire   +4 more sources

Pathogenicity of H9N2 low pathogenic avian influenza viruses of different lineages isolated from live bird markets tested in three animal models: SPF chickens, Korean native chickens, and ducks

open access: yesPoultry Science, 2021
: Since its first appearance in 1996, H9N2 avian influenza virus (AIV) of the Y439 lineage persisted in Korean live bird markets (LBMs) until the last documented occurrence in 2018. However, in June 2020, the avian influenza surveillance program detected
Soo-Jeong Kye   +8 more
doaj   +1 more source

A Systematic Review of New, Enhanced Surveillance Systems and Methodologies for Zoonotic Influenza Viruses in Animals and Human–Animal Interface

open access: yesInfluenza and Other Respiratory Viruses, Volume 19, Issue 11, November 2025.
ABSTRACT In 2009, the World Health Organization (WHO) developed a public health research agenda for influenza to guide researchers and outline directions and priority areas for research on influenza aiming at reducing the burden of seasonal epidemic influenza and the risk and impact of pandemic influenza. The agenda was updated in 2017, but since then,
Rebecca Badra   +11 more
wiley   +1 more source

A Cross‐Sectional Virological and Sero‐Epidemiological Study of Exposures to Avian Influenza A(H5N1) and A(H9N2) Viruses in Live Bird Market Workers in Dhaka, Bangladesh

open access: yesInfluenza and Other Respiratory Viruses, Volume 19, Issue 11, November 2025.
ABSTRACT Background Avian influenza A viruses (AIVs) are endemic among poultry in Bangladesh sold at live bird markets (LBMs). We assessed virologic and serologic evidence of exposure to AIVs among LBM workers. Methods A cross‐sectional study recruited 702 randomly sampled workers from 42 LBMs in Dhaka, Bangladesh, during 2017.
Mahbubur Rahman   +16 more
wiley   +1 more source

Recombinant avian metapneumovirus subtype C expressing HA protein of H9N2 avian influenza virus are stable and induce protection

open access: yesFrontiers in Microbiology
To prevent H9N2 avian influenza virus (AIV) and Avian metapneumonovirus/C (aMPV/C) infections, we constructed recombinant aMPV/C viruses expressing the HA protein of H9N2 AIV.
Yu Guo   +12 more
doaj   +1 more source

Isolation and molecular characterization of the hemagglutinin gene of H9N2 avian influenza viruses from poultry in Java, Indonesia

open access: yesJournal of Advanced Veterinary and Animal Research, 2021
Objective: The avian influenza virus (AIV) subtype H9N2 circulating in Indonesia has raised increasing concern about its impact on poultry and its public health risks.
Christian Marco Hadi Nugroho   +5 more
doaj   +1 more source

Complex Reassortment Dynamics of H9N2 Avian Influenza Viruses in Xinjiang, China: Implications for Zoonotic Spillover

open access: yesInfluenza and Other Respiratory Viruses, Volume 19, Issue 10, October 2025.
ABSTRACT Background H9N2 avian influenza viruses (AIVs) donate their genes to other subtype AIVs, posing significant threats to poultry industries and public health due to their endemicity and zoonotic potential. This study investigates the molecular evolution, reassortment, and mutations of the H9N2 isolates from the live poultry markets (LPMs) in ...
Nana Chang   +9 more
wiley   +1 more source

Vertical Transmission of H9N2 Avian Influenza Virus in Goose

open access: yesFrontiers in Microbiology, 2017
During a study on high mortality cases of goose embryo in Shandong Province, China (2014–2015), we isolated an H9N2 avian influenza virus (AIV) strain (A/goose/Shandong/DP01/2014, DP01), which was supposedly the causative agent for goose embryo death ...
Guanliu Yu   +11 more
doaj   +1 more source

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