Increasing herd immunity with influenza revaccination.
Identifieur interne : 000144 ( Main/Exploration ); précédent : 000143; suivant : 000145Increasing herd immunity with influenza revaccination.
Auteurs : E Q Mooring [États-Unis] ; S. Bansal [États-Unis]Source :
- Epidemiology and infection [ 1469-4409 ] ; 2016.
Descripteurs français
- KwdFr :
- Adolescent, Adulte, Adulte d'âge moyen, Colombie-Britannique, Enfant, Enfant d'âge préscolaire, Grippe humaine (), Grippe humaine (immunologie), Humains, Immunité de groupe, Jeune adulte, Modèles théoriques, Nourrisson, Nouveau-né, Rappel de vaccin, Saisons, Santé publique (tendances), Sujet âgé, Sujet âgé de 80 ans ou plus, Vaccins antigrippaux (administration et posologie), Villes, Virus de la grippe A (immunologie).
- MESH :
- administration et posologie : Vaccins antigrippaux.
- immunologie : Grippe humaine, Virus de la grippe A.
- tendances : Santé publique.
- Adolescent, Adulte, Adulte d'âge moyen, Colombie-Britannique, Enfant, Enfant d'âge préscolaire, Grippe humaine, Humains, Immunité de groupe, Jeune adulte, Modèles théoriques, Nourrisson, Nouveau-né, Rappel de vaccin, Saisons, Sujet âgé, Sujet âgé de 80 ans ou plus, Villes.
English descriptors
- KwdEn :
- Adolescent, Adult, Aged, Aged, 80 and over, British Columbia, Child, Child, Preschool, Cities, Humans, Immunity, Herd, Immunization, Secondary, Infant, Infant, Newborn, Influenza A virus (immunology), Influenza Vaccines (administration & dosage), Influenza, Human (immunology), Influenza, Human (prevention & control), Middle Aged, Models, Theoretical, Public Health (trends), Seasons, Young Adult.
- MESH :
- chemical , administration & dosage : Influenza Vaccines.
- immunology : Influenza A virus, Influenza, Human.
- prevention & control : Influenza, Human.
- trends : Public Health.
- Adolescent, Adult, Aged, Aged, 80 and over, British Columbia, Child, Child, Preschool, Cities, Humans, Immunity, Herd, Immunization, Secondary, Infant, Infant, Newborn, Middle Aged, Models, Theoretical, Seasons, Young Adult.
Abstract
Seasonal influenza is a significant public health concern globally. While influenza vaccines are the single most effective intervention to reduce influenza morbidity and mortality, there is considerable debate surrounding the merits and consequences of repeated seasonal vaccination. Here, we describe a two-season influenza epidemic contact network model and use it to demonstrate that increasing the level of continuity in vaccination across seasons reduces the burden on public health. We show that revaccination reduces the influenza attack rate not only because it reduces the overall number of susceptible individuals, but also because it better protects highly connected individuals, who would otherwise make a disproportionately large contribution to influenza transmission. We also demonstrate that our results hold on an empirical contact network, in the presence of assortativity in vaccination status, and are robust for a range of vaccine coverage and efficacy levels. Our work contributes a population-level perspective to debates about the merits of repeated influenza vaccination and advocates for public health policy to incorporate individual vaccine histories.
DOI: 10.1017/S0950268815002253
PubMed: 26482721
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<term>Enfant</term>
<term>Enfant d'âge préscolaire</term>
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<term>Humains</term>
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<term>Modèles théoriques</term>
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<term>Nouveau-né</term>
<term>Rappel de vaccin</term>
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<term>Sujet âgé</term>
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<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Grippe humaine</term>
<term>Virus de la grippe A</term>
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<term>Influenza, Human</term>
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<term>Child</term>
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<term>Infant, Newborn</term>
<term>Middle Aged</term>
<term>Models, Theoretical</term>
<term>Seasons</term>
<term>Young Adult</term>
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<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Colombie-Britannique</term>
<term>Enfant</term>
<term>Enfant d'âge préscolaire</term>
<term>Grippe humaine</term>
<term>Humains</term>
<term>Immunité de groupe</term>
<term>Jeune adulte</term>
<term>Modèles théoriques</term>
<term>Nourrisson</term>
<term>Nouveau-né</term>
<term>Rappel de vaccin</term>
<term>Saisons</term>
<term>Sujet âgé</term>
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<front><div type="abstract" xml:lang="en">Seasonal influenza is a significant public health concern globally. While influenza vaccines are the single most effective intervention to reduce influenza morbidity and mortality, there is considerable debate surrounding the merits and consequences of repeated seasonal vaccination. Here, we describe a two-season influenza epidemic contact network model and use it to demonstrate that increasing the level of continuity in vaccination across seasons reduces the burden on public health. We show that revaccination reduces the influenza attack rate not only because it reduces the overall number of susceptible individuals, but also because it better protects highly connected individuals, who would otherwise make a disproportionately large contribution to influenza transmission. We also demonstrate that our results hold on an empirical contact network, in the presence of assortativity in vaccination status, and are robust for a range of vaccine coverage and efficacy levels. Our work contributes a population-level perspective to debates about the merits of repeated influenza vaccination and advocates for public health policy to incorporate individual vaccine histories. </div>
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