Article ; Online: Genetic divergence of Influenza A(H3N2) amino acid substitutions mark the beginning of the 2016-2017 winter season in Israel.
2017 Volume 93, Page(s) 71–75
Abstract: ... surveillance period in Israel has been marked by the dominance of influenza A(H3N2).: Objectives ...
Abstract | Background: Influenza vaccine composition is reevaluated each year due to the frequency and accumulation of genetic changes that influenza viruses undergo. The beginning of the 2016-2017 influenza surveillance period in Israel has been marked by the dominance of influenza A(H3N2). Objectives: To evaluate the type, subtype, genetic evolution and amino acid substitutions of influenza A(H3N2) viruses detected among community patients with influenza-like illness (ILI) and hospitalized patients with respiratory illness in the first weeks of the 2016-2017 influenza season. Study design: Respiratory samples from community patients with influenza-like illness and from hospitalized patients underwent identification, subtyping and molecular characterization. Hemagglutinin sequences were compared to the vaccine strain, phylogenetic tree was created, and amino acid substitutions were determined. Results: Influenza A(H3N2) predominated during the early stages of the 2016-2017 influenza season. Noticeably, approximately 20% of community patients and 36% of hospitalized patients, positive for influenza Conclusions: Characterization of the 2016-2017 A(H3N2) influenza viruses is imperative for determining the future influenza vaccine composition. |
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MeSH term(s) | Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Dogs ; Genetic Drift ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry ; Hemagglutinin Glycoproteins, Influenza Virus/genetics ; Humans ; Influenza A Virus, H3N2 Subtype/genetics ; Influenza, Human/epidemiology ; Influenza, Human/virology ; Israel/epidemiology ; Madin Darby Canine Kidney Cells ; Models, Molecular ; Molecular Diagnostic Techniques ; Molecular Epidemiology ; Phylogeny ; Seasons |
Chemical Substances | Hemagglutinin Glycoproteins, Influenza Virus |
Language | English |
Publishing date | 2017-06-04 |
Publishing country | Netherlands |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 1446080-4 |
ISSN | 1873-5967 ; 1386-6532 |
ISSN (online) | 1873-5967 |
ISSN | 1386-6532 |
DOI | 10.1016/j.jcv.2017.05.020 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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