Results 11 to 20 of about 5,727 (206)

The PA Subunit of the Influenza Virus Polymerase Complex Affects Replication and Airborne Transmission of the H9N2 Subtype Avian Influenza Virus [PDF]

Viruses, 2019
The polymerase acidic (PA) protein is the third subunit of the influenza A virus polymerase. In recent years, studies have shown that PA plays an important role in overcoming the host species barrier and host adaptation of the avian influenza virus (AIV).
Mengchan Hao, Shaojie Han, Dan Meng, Rong Li, Jing Lin, Meng Wang, Tong Zhou, Tongjie Chai   +7 more
doaj   +4 more sources

Vaccination with inactivated virus against low pathogenic avian influenza subtype H9N2 does not prevent virus transmission in chickens

Journal of Virus Eradication, 2021
H9N2 subtype avian influenza has spread dramatically in China ever since first reported in the 1990s. A national vaccination program for poultry was initiated in 1998.
Hongrui Cui, Mart CM de Jong, Nancy Beerens, Monique M. van Oers, Qiaoyang Teng, Luzhao Li, Xuesong Li, Qinfang Liu, Zejun Li   +8 more
doaj   +4 more sources

Egyptian Fruit Bats (Rousettus aegyptiacus) Were Resistant to Experimental Inoculation with Avian-Origin Influenza A Virus of Subtype H9N2, But Are Susceptible to Experimental Infection with Bat-Borne H9N2 Virus

Viruses, 2021
Influenza A viruses (IAV) of subtype H9N2, endemic in world-wide poultry holdings, are reported to cause spill-over infections to pigs and humans and have also contributed substantially to recent reassortment-derived pre-pandemic zoonotic viruses of ...
Nico Joel Halwe, Marco Gorka, Bernd Hoffmann, Melanie Rissmann, Angele Breithaupt, Martin Schwemmle, Martin Beer, Ahmed Kandeil, Mohamed A. Ali, Ghazi Kayali, Donata Hoffmann, Anne Balkema-Buschmann   +11 more
doaj   +2 more sources

Development and Evaluation of Real-Time RT-PCR Test for Quantitative and Qualitative Recognition of Current H9N2 Subtype Avian Influenza Viruses in Iran [PDF]

Archives of Razi Institute, 2018
Avian influenza H9N2 subtype viruses have had a great impact on Iranian industrial poultry production economy since introduction in the country. To approach Rapid and precise identification of this viruses as control measures in poultry industry, a real ...
S. G. Mirzaei, A. Shoushtari, A. Nouri
doaj   +2 more sources

Evaluation of the antiviral effects of aqueous extracts of red and yellow onions (Allium Cepa) against avian influenza virus subtype H9N2 [PDF]

The Iranian Journal of Veterinary Science and Technology, 2018
Avian influenza virus subtype H9N2 causes important economic losses in industrial poultry worldwide. Biosecurity and vaccination have not completely prevented the outbreak of avian influenza virus subtype H9N2 in poultry, and there are no appropriate ...
Saba Ahmadi, Zolfaghar Rajabi, Mehdi Vasfi-Marandi   +2 more
doaj   +2 more sources

Effectively Evaluating a Novel Consensus Subunit Vaccine Candidate to Prevent the H9N2 Avian Influenza Virus

Vaccines
The enormous effects of avian influenza on poultry production and the possible health risks to humans have drawn much attention to this disease. The H9N2 subtype of avian influenza virus is widely prevalent among poultry, posing a direct threat to humans
Qi Wu, Weihua Wang, Xuehua Zhang, Ding Li, Mei Mei   +4 more
doaj   +2 more sources

Analysis of antigen conservation and inactivation of gamma-irradiated avian influenza virus subtype H9N2 [PDF]

Acta Microbiologica et Immunologica Hungarica, 2018
Avian influenza (AI) A subtype H9N2 virus belongs to Orthomyxoviridae family and causes low-pathogenic disease AI. The use of gamma-irradiated viral antigens has been developed in the production of effective vaccines. In this research, LPAIV H9N2 strain, A/Chicken/IRN/Ghazvin/2001, was multiplied on SPF eggs and irradiated by a Nordian gamma cell ...
Salehi, Bahareh, Motamedi-Sedeh, Farahnaz, Madadgar, Omid, Khalili, Iraj, Ghalyan Chi Langroudi, Arash, Unger, Hermann, Wijewardana, Viskam   +6 more
openaire   +4 more sources

Status and Challenges for Vaccination against Avian H9N2 Influenza Virus in China

Life, 2022
In China, H9N2 avian influenza virus (AIV) has become widely prevalent in poultry, causing huge economic losses after secondary infection with other pathogens.
Jinze Dong, Yong Zhou, Juan Pu, Litao Liu   +3 more
doaj   +2 more sources

Isolation and mutation trend analysis of influenza A virus subtype H9N2 in Egypt [PDF]

Virology Journal, 2012
Background Avian influenza virus H9N2 is a panzootic pathogen that affects poultry causing mild to moderate respiratory distress but has been associated with high morbidity and considerable mortality.
Abdel-Moneim Ahmed S, Afifi Manal A, El-Kady Magdy F   +2 more
doaj   +3 more sources

Identification of catalytically active domain epitopes in neuraminidase protein of H9N2 subtype of avian influenza virus

Avian Pathology, 2023
H9N2 subtype of avian influenza virus (AIV) is primarily a bird virus, which is widespread in clinical avian disease, and reported in cases of human infection. As one of the surface proteins of AIV, the neuraminidase (NA) protein plays an important role mainly in viral budding.
Xiangyu, Huang, Yiqin, Cai, Guihu, Yin, Zili, Chen, Jianing, Hu, Zichen, Gao, Xinyu, Guo, Fuqiang, Xiong, Xiuli, Feng   +8 more
openaire   +3 more sources