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
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
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/
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
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
Influenza research - Wikipedia
AVI Bio Pharma Inc. has evidence of inhibition of multiple subtypes of influenza A virus in cell culture with Morpholino ... Anti-viral drugs. Many nations, as well as the World Health Organization, are working to stockpile anti-viral drugs in ... Methods to stimulate a strong immune response using less HA antigen are being studied in H5N1 and H9N2 vaccine trials. These ... Both the H2N2 and H3N2 pandemic strains contained avian flu virus RNA segments. "While the pandemic human influenza viruses of ...https://en.wikipedia.org/wiki/Influenza_research
Influenza A virus subtype H1N1 - Wikipedia
Pigs can also become infected with the H4N6 and H9N2 subtypes. Swine influenza virus is common throughout pig populations ... "Viral gene sequences to assist update diagnostics for swine influenza A(H1N1)" (PDF). World Health Organization. April 15, 2009 ... Influenza A (H1N1) virus is the subtype of influenza A virus that was the most common cause of human influenza (flu) in 2009, ... North American swine influenza, North American avian influenza, human influenza, and swine influenza virus typically found in ...https://en.wikipedia.org/wiki/Influenza_A_virus_subtype_H1N1
Sensitive and specific laboratory diagnosis of all influenza A viruses subtypes is especially essential in certain epidemic ... Virus titration demonstrated that BHK-21/FX cell supported high-titer growth of the virus in which the viral titer is ... and H9N2). NxTAG RPP gave sensitivity of 95.2%, specificity of 99.6%, PPV of 93.5%, and NPV of 99.7%. NxTAG RPP, xTAG RVP, and ... Influenza A viruses were the pathogens most often detected during the pandemic and the following two influenza epidemics in ...http://www.journaltocs.ac.uk/index.php?action=browse&subAction=pub&publisherID=405&journalID=17048&pageb=1&userQueryID=&sort=&local_page=&sorType=&sorCol=
Molecular basis of efficient replication and pathogenicity of H9N2 avian influenza viruses in mice
H9N2 subtype avian influenza viruses (AIVs) have shown expanded host range and can infect mammals, such as humans and swine. To ... in PB2 revealed that PB2 627K is critical for pathogenicity and viral replication of H9N2 viruses in mouse brains. All together ... Keywords: H9N2; Avian influenza viruses (AIVs); Pathogenicity; Mice; Replication. Journal: PLoS ONE. , Volume: 7. , Issue: 6. ... Molecular basis of efficient replication and pathogenicity of H9N2 avian influenza viruses in mice. K-REx Repository. Search K- ...http://krex.k-state.edu/dspace/handle/2097/14125
Orthomyxoviridae - Wikipedia
Sixteen H subtypes (or serotypes) and nine N subtypes of influenza A virus have been identified. Further variation exists; thus ... and influenza D infects cattle and pigs. Influenza A viruses are further classified, based on the viral surface proteins ... H1N2 is endemic in humans and pigs. H9N2, H7N2, H7N3, H10N7. Influenza B virus is almost exclusively a human ... Influenza virus A, Influenza virus B, Influenza virus C, Influenza virus D, Isavirus, Thogotovirus and Quaranjavirus. The first ...https://en.wikipedia.org/wiki/Orthomyxoviridae
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