Influenza Virus: A Brief Overview
Identifieur interne : 000714 ( Pmc/Checkpoint ); précédent : 000713; suivant : 000715Influenza Virus: A Brief Overview
Auteurs : Tanushree Dangi ; Amita JainSource :
- Proceedings of the National Academy of Sciences, India. Section B [ 0369-8211 ] ; 2012.
Abstract
Influenza is a major public health concern, infecting 5–15% of the global population annually. Influenza virus belongs to family Orthomyxoviridae, and has three types A, B and C. Infection by influenza virus A is most common and severe, generally found in humans. It spreads rapidly and affects human population across large geographical region within short period of time with varying degree of pathology from mild to severe. Wild aquatic birds and other animal species like birds, pigs, ferret, horses, seals, whales, mink, giant anteaters, cats and dogs are the reservoir for the influenza A virus. Influenza B and C viruses have very limited host range and appear predominantly in humans. Influenza virus gains pandemic potential through genetic reassortment called “genetic shift” with complete renewal of surface antigen and a small but gradual genetic change by mutations which make it to adapt efficiently in human population called “genetic drift”. Although, the epidemiology related to influenza infection has been studied from several years but some facts associated to disease transmission has poorly understood. This article reviews the important aspects of virological, epidemiological and clinical features related to influenza virus for better understanding of disease transmission and its pathogenesis.
Url:
DOI: 10.1007/s40011-011-0009-6
PubMed: NONE
PubMed Central: 7101909
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Influenza Virus: A Brief Overview</title><author><name sortKey="Dangi, Tanushree" sort="Dangi, Tanushree" uniqKey="Dangi T" first="Tanushree" last="Dangi">Tanushree Dangi</name><affiliation><nlm:aff id="Aff1"></nlm:aff></affiliation></author><author><name sortKey="Jain, Amita" sort="Jain, Amita" uniqKey="Jain A" first="Amita" last="Jain">Amita Jain</name><affiliation><nlm:aff id="Aff1"></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmc">7101909</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7101909</idno><idno type="RBID">PMC:7101909</idno><idno type="doi">10.1007/s40011-011-0009-6</idno><idno type="pmid">NONE</idno><date when="2012">2012</date><idno type="wicri:Area/Pmc/Corpus">000191</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000191</idno><idno type="wicri:Area/Pmc/Curation">000191</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000191</idno><idno type="wicri:Area/Pmc/Checkpoint">000714</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000714</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Influenza Virus: A Brief Overview</title><author><name sortKey="Dangi, Tanushree" sort="Dangi, Tanushree" uniqKey="Dangi T" first="Tanushree" last="Dangi">Tanushree Dangi</name><affiliation><nlm:aff id="Aff1"></nlm:aff></affiliation></author><author><name sortKey="Jain, Amita" sort="Jain, Amita" uniqKey="Jain A" first="Amita" last="Jain">Amita Jain</name><affiliation><nlm:aff id="Aff1"></nlm:aff></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences, India. Section B</title><idno type="ISSN">0369-8211</idno><idno type="eISSN">2250-1746</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Influenza is a major public health concern, infecting 5–15% of the global population annually. Influenza virus belongs to family Orthomyxoviridae, and has three types A, B and C. Infection by influenza virus A is most common and severe, generally found in humans. It spreads rapidly and affects human population across large geographical region within short period of time with varying degree of pathology from mild to severe. Wild aquatic birds and other animal species like birds, pigs, ferret, horses, seals, whales, mink, giant anteaters, cats and dogs are the reservoir for the influenza A virus. Influenza B and C viruses have very limited host range and appear predominantly in humans. Influenza virus gains pandemic potential through genetic reassortment called “genetic shift” with complete renewal of surface antigen and a small but gradual genetic change by mutations which make it to adapt efficiently in human population called “genetic drift”. Although, the epidemiology related to influenza infection has been studied from several years but some facts associated to disease transmission has poorly understood. 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Proc Natl Acad Sci India Sect B Biol Sci</journal-id><journal-id journal-id-type="iso-abbrev">Proc Natl Acad Sci India Sect B Biol Sci</journal-id><journal-title-group><journal-title>Proceedings of the National Academy of Sciences, India. Section B</journal-title></journal-title-group><issn pub-type="ppub">0369-8211</issn><issn pub-type="epub">2250-1746</issn><publisher><publisher-name>Springer-Verlag</publisher-name><publisher-loc>India</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmc">7101909</article-id><article-id pub-id-type="publisher-id">9</article-id><article-id pub-id-type="doi">10.1007/s40011-011-0009-6</article-id><article-categories><subj-group subj-group-type="heading"><subject>Review</subject></subj-group></article-categories><title-group><article-title>Influenza Virus: A Brief Overview</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Dangi</surname><given-names>Tanushree</given-names></name><xref ref-type="aff" rid="Aff1"></xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Jain</surname><given-names>Amita</given-names></name><address><phone>+91-522-2328592</phone><email>amita602002@yahoo.com</email></address><xref ref-type="aff" rid="Aff1"></xref></contrib><aff id="Aff1"><institution-wrap><institution-id institution-id-type="GRID">grid.411275.4</institution-id><institution-id institution-id-type="ISNI">0000000406456578</institution-id><institution>Postgraduate Department of Microbiology,</institution><institution>CSM Medical University,</institution></institution-wrap>Lucknow, 226003 Uttar Pradesh India</aff></contrib-group><pub-date pub-type="epub"><day>18</day><month>1</month><year>2012</year></pub-date><pub-date pub-type="ppub"><year>2012</year></pub-date><volume>82</volume><issue>1</issue><fpage>111</fpage><lpage>121</lpage><history><date date-type="received"><day>21</day><month>9</month><year>2011</year></date><date date-type="accepted"><day>14</day><month>11</month><year>2011</year></date></history><permissions><copyright-statement>© The National Academy of Sciences, India 2012</copyright-statement><license><license-p>This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.</license-p></license></permissions><abstract id="Abs1"><p>Influenza is a major public health concern, infecting 5–15% of the global population annually. Influenza virus belongs to family Orthomyxoviridae, and has three types A, B and C. Infection by influenza virus A is most common and severe, generally found in humans. It spreads rapidly and affects human population across large geographical region within short period of time with varying degree of pathology from mild to severe. Wild aquatic birds and other animal species like birds, pigs, ferret, horses, seals, whales, mink, giant anteaters, cats and dogs are the reservoir for the influenza A virus. Influenza B and C viruses have very limited host range and appear predominantly in humans. Influenza virus gains pandemic potential through genetic reassortment called “genetic shift” with complete renewal of surface antigen and a small but gradual genetic change by mutations which make it to adapt efficiently in human population called “genetic drift”. Although, the epidemiology related to influenza infection has been studied from several years but some facts associated to disease transmission has poorly understood. This article reviews the important aspects of virological, epidemiological and clinical features related to influenza virus for better understanding of disease transmission and its pathogenesis.</p></abstract><kwd-group xml:lang="en"><title>Keywords</title><kwd>Influenza virus</kwd><kwd>H1N1</kwd><kwd>Pathogenesis</kwd><kwd>Epidemiology</kwd><kwd>Pandemic</kwd><kwd>Swine flu</kwd></kwd-group><custom-meta-group><custom-meta><meta-name>issue-copyright-statement</meta-name><meta-value>© The National Academy of Sciences, India 2012</meta-value></custom-meta></custom-meta-group></article-meta></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Dangi, Tanushree" sort="Dangi, Tanushree" uniqKey="Dangi T" first="Tanushree" last="Dangi">Tanushree Dangi</name><name sortKey="Jain, Amita" sort="Jain, Amita" uniqKey="Jain A" first="Amita" last="Jain">Amita Jain</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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