The El Niño-Southern Oscillation (ENSO)-pandemic Influenza connection: Coincident or causal?
Identifieur interne : 001761 ( Main/Exploration ); précédent : 001760; suivant : 001762The El Niño-Southern Oscillation (ENSO)-pandemic Influenza connection: Coincident or causal?
Auteurs : Jeffrey Shaman [États-Unis] ; Marc Lipsitch [États-Unis]Source :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2013.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
We find that the four most recent human influenza pandemics (1918, 1957, 1968, and 2009), all of which were first identified in boreal spring or summer, were preceded by La Nina conditions in the equatorial Pacific. Changes in the phase of the El Niño-Southern Oscillation have been shown to alter the migration, stopover time, fitness, and interspecies mixing of migratory birds, and consequently, likely affect their mixing with domestic animals. We hypothesize that La Nina conditions bring divergent influenza subtypes together in some parts of the world and favor the reassortment of influenza through simultaneous multiple infection of individual hosts and the generation of novel pandemic strains. We propose approaches to test this hypothesis using influenza population genetics, virus prevalence in various host species, and avian migration patterns.
Affiliations:
- États-Unis
- Massachusetts, État de New York
- Cambridge (Massachusetts), New York
- Université Columbia, Université Harvard
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Natl. Acad. Sci. U. S. A.</title><idno type="ISSN">0027-8424</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Proceedings of the National Academy of Sciences of the United States of America</title><title level="j" type="abbreviated">Proc. Natl. Acad. Sci. U. S. A.</title><idno type="ISSN">0027-8424</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>El Niño</term><term>Epidemic</term><term>Influenza</term><term>Southern oscillation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>El Niño</term><term>Oscillation australe</term><term>Epidémie</term><term>Grippe</term><term>Pandémie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We find that the four most recent human influenza pandemics (1918, 1957, 1968, and 2009), all of which were first identified in boreal spring or summer, were preceded by La Nina conditions in the equatorial Pacific. Changes in the phase of the El Niño-Southern Oscillation have been shown to alter the migration, stopover time, fitness, and interspecies mixing of migratory birds, and consequently, likely affect their mixing with domestic animals. We hypothesize that La Nina conditions bring divergent influenza subtypes together in some parts of the world and favor the reassortment of influenza through simultaneous multiple infection of individual hosts and the generation of novel pandemic strains. We propose approaches to test this hypothesis using influenza population genetics, virus prevalence in various host species, and avian migration patterns.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Massachusetts</li><li>État de New York</li></region><settlement><li>Cambridge (Massachusetts)</li><li>New York</li></settlement><orgName><li>Université Columbia</li><li>Université Harvard</li></orgName></list><tree><country name="États-Unis"><region name="État de New York"><name sortKey="Shaman, Jeffrey" sort="Shaman, Jeffrey" uniqKey="Shaman J" first="Jeffrey" last="Shaman">Jeffrey Shaman</name></region><name sortKey="Lipsitch, Marc" sort="Lipsitch, Marc" uniqKey="Lipsitch M" first="Marc" last="Lipsitch">Marc Lipsitch</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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