Influenza A virus subtype H9N2 - Wikipedia
H9N2): computational molecular analysis and phylogenetic characterization of viral surface proteins isolated between 1997 and ... H9N2 is a subtype of the species Influenza A virus (bird flu virus). Over the years the H9N2 influenza strain caused illness in ... H9N2) infection in a 5-year-old boy HK girl infected with rare but mild A/H9N2 flu virus Sun Y, Liu J. "H9N2 influenza virus in ... H9N2 influenza virus has been recognized to reassort with multiple other subtypes, including H6N1, H6N2, and H5N1 viruses. ...https://en.wikipedia.org/wiki/Influenza_A_virus_subtype_H9N2
Analysis of the phylogeny of Chinese H9N2 avian influenza viruses and their pathogenicity in mice, Archives of Virology | 10...
"Analysis of the phylogeny of Chinese H9N2 avian influenza viruses and their pathogenicity in mice, Archives of Virology" on ... Viral replication in infected mice resulted in minimal weight loss, suggesting that these H9N2 avian influenza viruses had low ... Complex reassortment of multiple subtypes of avian influenza viruses in domestic ducks at the Dongting Lake Region of China ... Molecular characterization of H9N2 influenza viruses: Were they the donors of the "internal" genes of H5N1 viruses in Hong Kong ...https://www.deepdyve.com/lp/springer_journal/analysis-of-the-phylogeny-of-chinese-h9n2-avian-influenza-viruses-and-S3uPahpzii
A Novel Genotype H9N2 Influenza Virus Possessing Human H5N1 Internal Genomes Has Been Circulating in Poultry in Eastern China...
H9N2). The neuraminidase (NA) subtypes of the viruses were determined by conducting a BLAST search on viral nucleotide ... H9N2 subtype influenza A viruses in poultry in Pakistan are closely related to the H9N2 viruses responsible for human infection ... Our systematic surveillance of influenza viruses in chickens in China showed that H9N2 subtype influenza viruses continued to ... Avian-to-human transmission of H9N2 subtype influenza A viruses: relationship between H9N2 and H5N1 human isolates. Proc. Natl ...http://pubmedcentralcanada.ca/pmcc/articles/PMC2738149/?lang=en-ca
Subclinical Highly Pathogenic Avian Influenza Virus Infection among Vaccinated Chickens, China - Volume 20, Number 12-December...
Investigation suggested that the virus has evolved into multiple genotypes. To better control transmission of the virus, we ... virus was identified through routine surveillance in China. ... of vaccinated chickens with a highly pathogenic avian influenza ... and the remaining 6 genomic segments of H5N2qd14 likely reassorted from subtype H9N2 avian influenza virus (Figure, Technical ... The entire viral genome of the virus, A/chicken/Qingdao/1/2014(H5N2), abbreviated as H5N2qd14, was sequenced and analyzed as ...https://wwwnc.cdc.gov/eid/article/20/12/14-0733_article
Molecular evaluation of M2 protein of Iranian avian influenza viruses of H9N2 subtype in order to find mutations of adamantane...
These drugs inhibit M2 protein ion channel which has role on viral replication. OBJECTIVES: The main objective of this study is ... to evaluate M gene of avian influenza viruses (AIVs) of H9N2 subtype in order to find adamantane drug resistance mutations. ... The H9N2 subtype was confirmed by specific RT-PCR. The RT-PCR was conducted for full length M gene. PCR amplified products were ... Adamantane is a group of antiviral agents which is effective both in prevention and treatment of influenza A virus infections. ...https://ijvm.ut.ac.ir/article_59718.html
Study of Immune Responses in Healthy Adults Receiving Live Influenza Virus Vaccines - Full Text View - ClinicalTrials.gov
For the inpatient arm, seropositive to the H2N3 influenza A virus or the H9N2 influenza A virus (serum HAI titer ,1:8). For the ... Influenza A viruses are widely distributed in nature and exist as many different subtypes. Pandemics of influenza can occur, ... in humans and to develop biomarkers that can predict the viral shedding and immune response to LAIVs. ... Influenza, Human. Orthomyxoviridae Infections. RNA Virus Infections. Virus Diseases. Respiratory Tract Infections. Respiratory ...https://clinicaltrials.gov/show/NCT01674205
Antimicrobial Properties of Plant Essential Oils against Human Pathogens and Their Mode of Action: An Updated Review
... subtype H9N2. They found that various concentrations of lemon balm essential oil suppressed influenza virus replication. ... Actions against the Viruses. At present, various essential oils may be a promising alternative against viral infections . ... such as herpes simplex virus type 1 (HSV-1) and type 2 (HSV-2), dengue virus type 2, Junin virus, influenza virus adenovirus ... essential oil against avian influenza A virus (H9N2)," VirusDisease, vol. 27, no. 2, pp. 170-178, 2016. View at Publisher · ...https://www.hindawi.com/journals/ecam/2016/3012462/
Isolation of mixed subtypes of influenza A virus from a bald eagle (Haliaeetus leucocephalus) | Virology Journal | Full Text
RNA was extracted from HA positive samples and from a known AIV (H9N2) isolate using QIAamp viral RNA kit (Qiagen, Valencia, CA ... InfluenzaAvian Influenza VirusWild BirdHighly Pathogenic Avian InfluenzaCloacal Swab ... Isolation of mixed subtypes of influenza A virus from a bald eagle (Haliaeetus leucocephalus). ... viruses [2-5] although highly pathogenic avian influenza (HPAI) viruses have also been isolated from some species . To ...https://virologyj.biomedcentral.com/articles/10.1186/1743-422X-7-174
Overview of Viral Encephalitides in Poultry - Poultry - Merck Veterinary Manual
Learn about the veterinary topic of Overview of Viral Encephalitides in Poultry. Find specific details on this topic and ... Influenza A viruses are divided into 16 hemagglutinin (H1-16) and 9 neuraminidase (N1-9) subtypes. Which of the following ... virus, Highlands J (HJ) virus, Israel turkey meningoencephalitis virus, and West Nile Virus (See also West Nile Virus Infection ... Highlands J Virus:. Highlands J (HJ) virus is a cause of encephalitis in chukar partridges. Chukars exhibit somnolence, ruffled ...http://www.merckvetmanual.com/en-pr/poultry/viral-encephalitides/overview-of-viral-encephalitides-in-poultry
Turkey Viral Hepatitis - Merck Veterinary Manual
Influenza A viruses are divided into 16 hemagglutinin (H1-16) and 9 neuraminidase (N1-9) subtypes. Which of the following ... subtypes is most likely to cause a highly pathogenic form of avian influenza in poultry? ...http://www.merckvetmanual.com/en-pr/poultry/turkey-viral-hepatitis
Study finds H1N1 and H9N2 offspring can be more lethal | CIDRAP
... a subtype that commonly circulates in birds, found that several were more pathogenic then the parent viruses, which they said ... CIDRAP News) Chinese researchers who tested reassortants that combined the 2009 H1N1 virus with H9N2, ... the study group attempted to make all possible 127 reassortants from an avian H9N2 influenza virus and the 2009 H1N1 virus. ... of Agriculture conducted a sequence analysis of 571 viral genomes from a flu virus database to pinpoint the subtype's genetic ...http://www.cidrap.umn.edu/news-perspective/2011/03/study-finds-h1n1-and-h9n2-offspring-can-be-more-lethal
JoVE | Peer Reviewed Scientific Video Journal - Methods and Protocols
Avian influenza A virus of the H9N2 subtype likely made a recent contribution to the evolution of the H7N9 virus and continues ... exposure histories and sequence similarities between viral isolates. To explore the role of live poultry markets in the origin ... Avian influenza virus A of the novel H7N9 reassortant subtype was recently found to cause severe human respiratory infections ... Influenza H7N9 and H9N2 viruses: coexistence in poultry linked to human H7N9 infection and genome characteristics. ...https://www.jove.com/visualize?author=Yujun%20Du%20
US Patent Application for MONOCLONAL ANTIBODIES CAPABLE OF REACTING WITH A PLURALITY OF INFLUENZA VIRUS A SUBTYPES Patent...
... which have the advantageous and unpredicted property of being able to bind a plurality of subtypes of the influenza A virus. ... which displays a neutralizing activity against a plurality of subtypes of the influenza A virus. Anti-idiotype antibodies ... Monoclonal antibodies directed against the influenza A virus are described, ... Other subtypes have sporadically affected humans (H9N2, H7N7, and the so dreaded recent H5N1 subtype), but they have not ...https://patents.justia.com/patent/20110014187
The use of green tea (Camellia sinensis) as a phytogenic substance in poultry diets
... human influenza viruses (A/H1N1, A/H3N2 and B type), H2N2 and H9N2 avian influenza virus. The compounds strongly inhibited ... The broad spectrum activity against various subtypes of influenza viruses may complement the limitations of current antivirals ... and their anti-influenza-viral activity was evaluated in vitro and in ovo. Marked antiviral activity was observed for ... They also restricted the growth of avian influenza virus in ovo, with a minimum inhibition concentration of 5 µΜ to 10 µΜ; this ...http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0030-24652014000100005&lng=es&nrm=iso&tlng=en
Frontiers | Inhibition of H9N2 Virus Invasion into Dendritic Cells by the S-Layer Protein from L. acidophilus ATCC 4356 |...
... and to verify its ability to inhibit the invasion of H9N2 avian influenza virus (AIV) in DCs. We found that the S-layer protein ... The invasion and replication of the H9N2 virus in mouse DCs was successfully demonstrated. However, the invasion of H9N2 virus ... The invasion and replication of the H9N2 virus in mouse DCs was successfully demonstrated. However, the invasion of H9N2 virus ... and to verify its ability to inhibit the invasion of H9N2 avian influenza virus (AIV) in DCs. We found that the S-layer protein ...https://www.frontiersin.org/articles/10.3389/fcimb.2016.00137/full
"Predicting Avian Influenza Co-Infection with H5N1 and H9N2 in Northern" by Sean G. Young, Margaret Carrel et al.
H5N1 and H9N2 influenza subtypes are endemic in Egyptian poultry. From 2006 to 2015, over 20,000 poultry and wild birds were ... constrained by poor viral adaptation to non-avian hosts. This could be overcome via co-infection, whereby two strains share ... Using only single-subtype influenza outbreaks and publicly available ecological data, we identified areas of co-infection ... Niches differed markedly by subtype. The subtype niches were combined to model co-infection potential with known occurrences ...http://ir.uiowa.edu/geog_pubs/215/
Differential replication of avian influenza H9N2 viruses in human alveolar epithelial A549 cells | Virology Journal | Full Text
Using a human alveolar epithelial cell line A549 as host, we found that A/Quail/Hong Kong/G1/97 (H9N2/G1), which shares 6 viral ... However, the pathogenesis of the H9N2 subtypes in human remains to be investigated. ... Avian influenza virus H9N2 isolates cause a mild influenza-like illness in humans. ... both H9N2/Y280 and H9N2/G9 viruses belong to the same HA sublineage of H9N2 viruses, while H9N2/G1 and H5N1/97 viruses belong ...https://virologyj.biomedcentral.com/articles/10.1186/1743-422X-7-71
The role of receptor binding specificity in interspecies transmission of influenza viruses
Avian-to-human transmission of H9N2 subtype influenza A viruses: relationship between H9N2 and H5N1 human isolates. Proc Natl ... virus NA protein on the framework of an avian H5N1 virus could be transmitted by respiratory droplet in ferrets because viral ... subtypes of influenza A viruses have been isolated from aquatic birds, which are the reservoir of influenza A virus in nature [ ... H9N2 influenza A viruses from poultry in Asia have human virus-like receptor specificity. Virology. 2001;281:156-162. [PubMed] ...http://pubmedcentralcanada.ca/pmcc/articles/PMC5605752/
Chicken Flu Virus Yields Insight into Origins of Deadly H7N9 Strain | thirdAGE | healthy living for women + their families
The resulting H7N9 virus included six genes from the H9N2.. "Sequencing the viral genome allowed us to track how H9N2 evolved ... emergence as the predominant H9N2 the virus had swapped genes with quail and duck influenza viruses. ... The tendency of flu viruses to swap genes also contributed to the enhanced ability of the predominant H9N2 subtype to spread. ... From 2010 through 2013 an H9N2 virus emerged as the predominant subtype thanks to its genetic makeup that allowed it to ...http://thirdage.com/chicken-flu-virus-yields-insight-origins-deadly-h7n9-strain/
The AMEDEO Literature Guide
Development and application of a triplex real-time PCR assay for the simultaneous detection of avian influenza virus subtype H5 ... A novel method for detection of H9N2 influenza viruses by an aptamer-real time-PCR.. J Virol Methods. 2017 Jan 31. pii: S0166- ... A comparison of methods for extracting influenza viral titer characteristics.. J Virol Methods. 2016 Feb 12. pii: S0166-0934(15 ... N-glycan profiles in H9N2 avian influenza viruses from chicken eggs and human embryonic lung fibroblast cells.. J Virol Methods ...http://www.amedeo.com/medicine/flu/jviromet.htm
Study Says Sex Between Flu Strains can Result in New Influenza Pandemic
... and a common type of avian flu virus can result in dangerous offspring. ... Sex between the virus responsible for flu pandemic (H1N1) ... studies indicate that the pH1N1 and H9N2 influenza subtypes are ... said new pandemic viruses are formed mainly through a process called reassortment, which can best be described as viral sexual ... was demonstrated in 2009 when a novel H1N1 influenza (pH1N1) virus caused the first influenza pandemic in 40 years. That virus ...http://www.medindia.net/news/Study-Says-Sex-Between-Flu-Strains-can-Result-in-New-Influenza-Pandemic-87795-1.htm
Emergence of novel reassortant H3N2 influenza viruses among ducks in China, Archives of Virology | 10.1007/s00705-011-0940-0 |...
"Emergence of novel reassortant H3N2 influenza viruses among ducks in China, Archives of Virology" on DeepDyve, the largest ... H4N6, H5N1, H5N2 and H9N2 subtypes, were isolated in. embryonated SPF chicken eggs and stored at -80°C for ... Viral reassortment and transmission after co-infection of pigs with classical H1N1 and triple-reassortant H3N2 swine influenza ... H1N1 swine viruses and H5N1 avian virus. The emergence of H3N2 virus with incorporation of an H5N1 virus gene raises new ...https://www.deepdyve.com/lp/springer_journal/emergence-of-novel-reassortant-h3n2-influenza-viruses-among-ducks-in-Xhmr8c8ERP
Virology Study Resources
Avian-to-human transmission of H9N2 subtype influenza A viruses: Relationship between H9N2 and H5N1 human isolates YP Lin* , M ... Lecture Series 7 Part 2 Viruses. Virus ... humans. Herpes-any of a group of viral diseases caused by herpes viruses, affecting ... Avian-to-human transmission of H9N2 subtype influenza A viruses: Relationship between H9N2 and H5N1 human isolates YP Lin* , M ... Avian-to-human transmission of H9N2 subtype influenza A viruses: Relationship between H9N2 and H5N1 human isolates YP Lin* , M ...https://www.coursehero.com/subjects/virology/
Yi Guan - Wikipedia
... along with H5 viruses that are now regarded as the most likely novel influenza subtypes to cause a pandemic. Guan has defined ... Guan has, also, initiated the systematic study of H9N2 viruses, which, ... His research on the viral respiratory disease SARS allowed the Chinese government to successfully avert the 2004 outbreak of ... In early 2017, Guan warned that the H7N9 influenza virus "poses the greatest threat to humanity than any other in the past 100 ...https://en.wikipedia.org/wiki/Yi_Guan
Most recent papers with the keyword Nasal | Read by QxMD
Influenza A virus subtype H9N2 infection disrupts the composition of intestinal microbiota of chickens. ... Currently, there are limited studies on HRV infection of nasal epithelial cells despite being the first site of viral contact, ... The impact of low pathogenic influenza viruses such as subtype H9N2, which infect the respiratory and the gastrointestinal ... www.readbyqxmd.com/read/29228270/influenza-a-virus-subtype-h9n2-infection-disrupts-the-composition-of-intestinal-microbiota-of- ...https://www.readbyqxmd.com/keyword/14597