scholarly journals Molecular Characterization of the Predominant Influenza A(H1N1)pdm09 Virus in Mexico, December 2011–February 2012

PLoS ONE ◽  
2012 ◽  
Vol 7 (11) ◽  
pp. e50116 ◽  
Author(s):  
Daniela de la Rosa-Zamboni ◽  
Joel A. Vázquez-Pérez ◽  
Santiago Ávila-Ríos ◽  
Ana Paola Carranco-Arenas ◽  
Christopher E. Ormsby ◽  
...  
Keyword(s):  
Molecular Characterization ◽  
Influenza A ◽  
Pdm09 Virus ◽  
Influenza A H1n1

Sequence-based identification and characterization of nosocomial influenza A(H1N1)pdm09 virus infections

2012 ◽  
Vol 82 (3) ◽  
pp. 187-193 ◽  
Author(s):  
M. Jonges ◽  
J. Rahamat-Langendoen ◽  
A. Meijer ◽  
H.G. Niesters ◽  
M. Koopmans
Keyword(s):  
Influenza A ◽  
Virus Infections ◽  
Pdm09 Virus ◽  
Influenza A H1n1 ◽  
Identification And Characterization

scholarly journals Molecular characterization of influenza A(H1N1)pdm09 in Cameroon during the 2014-2016 influenza seasons

PLoS ONE ◽  
2019 ◽  
Vol 14 (1) ◽  
pp. e0210119 ◽  
Author(s):  
Chavely Gwladys Monamele ◽  
Hermann Landry Munshili Njifon ◽  
Marie-Astrid Vernet ◽  
Mohamadou Ripa Njankouo ◽  
Sebastien Kenmoe ◽  
...  
Keyword(s):  
Molecular Characterization ◽  
Influenza A ◽  
Influenza A H1n1

scholarly journals Characterization of influenza A(H1N1)pdm09 viruses in Germany in season 2019-2020 – co-circulation of an antigenic drift variant

2021 ◽  
Author(s):  
Marianne Wedde ◽  
Djin-Ye Oh ◽  
Silke Buda ◽  
Andrea Thürmer ◽  
Sandra Kaiser ◽  
...  
Keyword(s):  
Influenza A ◽  
Influenza Season ◽  
Vaccine Virus ◽  
Influenza Viruses ◽  
Antigenic Drift ◽  
Neuraminidase Inhibitors ◽  
Pdm09 Virus ◽  
Time Period ◽  
Influenza A H1n1

Background Influenza A(H1N1)pdm09 virus entered the human population in 2009 and evolved within this population for more than ten years. Despite genetic evolution no remarkable changes in the antigenic reactive pattern of these viruses were observed so far. Methods Primary respiratory samples of the German influenza virological sentinel were investigated by qPCR. Influenza virus-positive samples were characterized genetically and antigenetically. Results In December 2019, a antigenic drift variant characterized by an N156K substitution in the hemagglutinin of influenza A(H1N1)pdm09 virus emerged in Germany, which exhibited a reactivity to ferret antiserum that was an average 6 log2 lower than the vaccine virus A/Brisbane/02/2018 and the other A(H1N1)pdm09 viruses circulating in the influenza season 2019-2020. These viruses accounted for 20% of all A(H1N1)pdm09 viruses characterized in the German influenza sentinel. Patients infected with these viruses had a shorter median time period of medical consultation after onset of symptoms and were more frequently treated with neuraminidase inhibitors in comparison to patients infected with other A(H1N1)pdm09 viruses. Conclusions This parallel circulation of two antigenic variants of A(H1N1)pdm09 viruses which differ remarkably in their antigenic reactive pattern contributes to a greater variability in circulating influenza viruses and challenges vaccination.

scholarly journals Molecular characterization of influenza A(H1N1)pdm09 viruses circulating at various geographical locations in India, 2017

2019 ◽  
Vol 149 (6) ◽  
pp. 785
Author(s):  
Mandeep Chadha ◽  
Varsha Potdar ◽  
Neetu Vijay ◽  
Nivedita Gupta ◽  
G Arunkumar ◽  
...  
Keyword(s):  
Molecular Characterization ◽  
Influenza A ◽  
Influenza A H1n1 ◽  
Geographical Locations

Molecular characterization of the influenza A(H1N1)pdm09 isolates collected in the 2015‐2016 season and comparison of HA mutations detected in Turkey since 2009

2019 ◽  
Vol 91 (12) ◽  
pp. 2074-2082 ◽  
Author(s):  
Dilek Guldemir ◽  
Fatma Filiz Coskun‐Ari ◽  
Ayse Basak Altas ◽  
Zekiye Bakkaloglu ◽  
Ozlem Unaldi ◽  
...  
Keyword(s):  
Molecular Characterization ◽  
Influenza A ◽  
Influenza A H1n1

scholarly journals Molecular Characterization of the Hemagglutinin and Neuraminidase Genes of H5N1 Influenza A Viruses Isolated from Poultry in Vietnam from 2004 to 2005

2006 ◽  
Vol 68 (5) ◽  
pp. 527-531 ◽  
Author(s):  
Yukiko MURAMOTO ◽  
Thi Quynh Mai LE ◽  
Lien Song PHUONG ◽  
Tung NGUYEN ◽  
Thu Ha NGUYEN ◽  
...  
Keyword(s):  
Molecular Characterization ◽  
Influenza A ◽  
Influenza A Viruses ◽  
H5n1 Influenza

scholarly journals Seroprevalence study of infection with influenza A(H1N1)pdm09 virus in San Felipe Town, Chile

2013 ◽  
Vol 03 (07) ◽  
pp. 476-482
Author(s):  
Olea Andrea ◽  
Fasce Rodrigo ◽  
Aguilera Ximena ◽  
Oliva Otavio ◽  
Muñoz Sergio ◽  
...  
Keyword(s):  
Influenza A ◽  
Seroprevalence Study ◽  
Pdm09 Virus ◽  
Influenza A H1n1

scholarly journals Fluctuations in influenza-like illness epidemics and suicide mortality: A time-series regression of 13-year mortality data in South Korea

PLoS ONE ◽  
2021 ◽  
Vol 16 (2) ◽  
pp. e0244596
Author(s):  
Sun Jae Jung ◽  
Sung-Shil Lim ◽  
Jin-Ha Yoon
Keyword(s):  
Time Series ◽  
South Korea ◽  
Influenza A ◽  
Suicide Mortality ◽  
Mortality Data ◽  
Time Series Regression ◽  
Influenza Like Illness ◽  
Pdm09 Virus ◽  
Influenza A H1n1 ◽  
Novel Influenza A

Aims We explored the association between influenza epidemic and suicide mortality rates in a large population using a time-series regression of 13-year mortality data in South Korea. Methods Weekly suicide mortalities and influenza-like illness (ILI) were analyzed using time series regression. Regression coefficient for suicide mortality based on percentage change of ILI was calculated using a quasi-Poisson regression. Non-linear distributed lag models with quadratic function up to 24 weeks were constructed. Results The association between ILI and suicide mortality increased significantly up to 8 weeks post-influenza diagnosis. A significant positive association between ILI and suicide mortality was observed from 2009, when a novel influenza A(H1N1)pdm09 virus provoked a worldwide pandemic. No meaningful association between these factors was observed before 2009. Conclusion There was a significant positive relationship between ILI and suicide mortality after 2009, when a novel influenza A(H1N1)pdm09 virus provoked a worldwide pandemic.

scholarly journals Influenza A(H1N1)pdm09 virus and asthma

2013 ◽  
Vol 4 ◽  
Author(s):  
Masatsugu Obuchi ◽  
Yuichi Adachi ◽  
Takenori Takizawa ◽  
Tetsutaro Sata
Keyword(s):  
Influenza A ◽  
Pdm09 Virus ◽  
Influenza A H1n1

scholarly journals Detection of the Influenza A(H1N1)pdm09 Virus Carrying the K-15E, P83S and Q293H Mutations in Patients Who Have Undergone Bone Marrow Transplant

PLoS ONE ◽  
2014 ◽  
Vol 9 (4) ◽  
pp. e94822 ◽  
Author(s):  
Milene Mesquita ◽  
Paola Resende ◽  
Andressa Marttorelli ◽  
Viviane Machado ◽  
Carolina Q. Sacramento ◽  
...  
Keyword(s):  
Bone Marrow ◽  
Bone Marrow Transplant ◽  
Influenza A ◽  
Marrow Transplant ◽  
Pdm09 Virus ◽  
Influenza A H1n1
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