The utility of preemptive mass influenza vaccination in controlling a sars outbreak during flu season.
Identifieur interne : 001A81 ( Ncbi/Curation ); précédent : 001A80; suivant : 001A82The utility of preemptive mass influenza vaccination in controlling a sars outbreak during flu season.
Auteurs : Qingling Zeng [Canada] ; Kamran Khan ; Jianhong Wu ; Huaiping ZhuSource :
- Mathematical biosciences and engineering : MBE [ 1547-1063 ] ; 2007.
Descripteurs français
- KwdFr :
- Flambées de maladies (), Humains, Modèles biologiques, Saisons, Simulation numérique, Syndrome respiratoire aigu sévère (), Syndrome respiratoire aigu sévère (immunologie), Syndrome respiratoire aigu sévère (épidémiologie), Vaccination de masse, Vaccins antigrippaux (administration et posologie), Vaccins antigrippaux (immunologie), Virus du SRAS (immunologie).
- MESH :
- administration et posologie : Vaccins antigrippaux.
- immunologie : Syndrome respiratoire aigu sévère, Vaccins antigrippaux, Virus du SRAS.
- épidémiologie : Syndrome respiratoire aigu sévère.
- Flambées de maladies, Humains, Modèles biologiques, Saisons, Simulation numérique, Syndrome respiratoire aigu sévère, Vaccination de masse.
English descriptors
- KwdEn :
- Computer Simulation, Disease Outbreaks (prevention & control), Humans, Influenza Vaccines (administration & dosage), Influenza Vaccines (immunology), Mass Vaccination, Models, Biological, SARS Virus (immunology), Seasons, Severe Acute Respiratory Syndrome (epidemiology), Severe Acute Respiratory Syndrome (immunology), Severe Acute Respiratory Syndrome (prevention & control).
- MESH :
- chemical , administration & dosage : Influenza Vaccines.
- chemical , immunology : Influenza Vaccines.
- epidemiology : Severe Acute Respiratory Syndrome.
- immunology : SARS Virus, Severe Acute Respiratory Syndrome.
- prevention & control : Disease Outbreaks, Severe Acute Respiratory Syndrome.
- Computer Simulation, Humans, Mass Vaccination, Models, Biological, Seasons.
Abstract
During flu season, respiratory infections can cause non-specific influenza-like-illnesses (ILIs) in up to one-half of the general population. If a future SARS outbreak were to coincide with flu season, it would become exceptionally difficult to distinguish SARS rapidly and accurately from other ILIs, given the non-specific clinical presentation of SARS and the current lack of a widely available, rapid, diagnostic test. We construct a deterministic compartmental model to examine the potential impact of preemptive mass influenza vaccination on SARS containment during a hypothetical SARS outbreak coinciding with a peak flu season. Our model was developed based upon the events of the 2003 SARS outbreak in Toronto, Canada. The relationship of different vaccination rates for influenza and the corresponding required quarantine rates for individuals who are exposed to SARS was analyzed and simulated under different assumptions. The study revealed that a campaign of mass influenza vaccination prior to the onset of flu season could aid the containment of a future SARS outbreak by decreasing the total number of persons with ILIs presenting to the health-care system, and consequently decreasing nosocomial transmission of SARS in persons under investigation for the disease.
DOI: 10.3934/mbe.2007.4.739
PubMed: 17924722
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pubmed:17924722Le document en format XML
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<front><div type="abstract" xml:lang="en">During flu season, respiratory infections can cause non-specific influenza-like-illnesses (ILIs) in up to one-half of the general population. If a future SARS outbreak were to coincide with flu season, it would become exceptionally difficult to distinguish SARS rapidly and accurately from other ILIs, given the non-specific clinical presentation of SARS and the current lack of a widely available, rapid, diagnostic test. We construct a deterministic compartmental model to examine the potential impact of preemptive mass influenza vaccination on SARS containment during a hypothetical SARS outbreak coinciding with a peak flu season. Our model was developed based upon the events of the 2003 SARS outbreak in Toronto, Canada. The relationship of different vaccination rates for influenza and the corresponding required quarantine rates for individuals who are exposed to SARS was analyzed and simulated under different assumptions. The study revealed that a campaign of mass influenza vaccination prior to the onset of flu season could aid the containment of a future SARS outbreak by decreasing the total number of persons with ILIs presenting to the health-care system, and consequently decreasing nosocomial transmission of SARS in persons under investigation for the disease.</div>
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