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Prevailing effectiv...
Prevailing effectiveness of the 2009 influenza A(H1N1)pdm09 vaccine during the 2010/11 season in Sweden
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Widgren, K (author)
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Magnusson, M (author)
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Hagstam, P (author)
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- Widerström, Micael, 1958- (author)
- Department of Communicable Disease Control and Prevention Jämtland County, Östersund, Sweden
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- Örtqvist, Åke (author)
- Karolinska Institutet
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Einemo, Im (author)
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Follin, P (author)
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Lindblom, A (author)
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Mäkitalo, S (author)
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Wik, O (author)
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Österlund, A (author)
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Grünewald, M (author)
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Uhnoo, Ingrid (author)
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Linde, A (author)
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(creator_code:org_t)
- 2013
- 2013
- English.
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In: Eurosurveillance. - : eurosurveillance. - 1025-496X .- 1560-7917. ; 18:15, s. Article 5-
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Abstract
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- Sixty per cent of the Swedish population received the monovalent AS03-adjuvanted pandemic influenza vaccine in the autumn of 2009. We assessed the age-specific effectiveness of this pandemic vaccine against hospitalisation with laboratory-confirmed influenza A(H1N1)pdm09 during the season 2010/11, in the age group from six months to 64 years in Sweden. The screening method was applied to available surveillance data. Our results suggest a prevailing effectiveness of 72% (95% confidence interval (CI): 63–80%) with the highest effectiveness among children, six months to nine years-old (92%, 95%CI: 80–97%). However, there were limitations in data quality and study design due to the lack of systematic recording of administered vaccinations, which underline the importance of preparing for an evaluation when planning for large public health actions. Despite these limitations, we believe the results reflect true, high prevailing vaccine effectiveness. Indeed, there were fewer deaths caused by influenza and the impact of influenza on intensive care units was less severe during the 2010/11 season in Sweden than in countries with lower pandemic vaccination coverage. The association between the pandemic vaccine and narcolepsy has increased the importance of assessing the risks and benefits of the vaccination; studies on the effectiveness and the duration of protection are needed for this.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Klinisk laboratoriemedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Clinical Laboratory Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
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- ref (subject category)
- art (subject category)
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- By the author/editor
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Widgren, K
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Magnusson, M
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Hagstam, P
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Widerström, Mica ...
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Örtqvist, Åke
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Einemo, Im
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show more...
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Follin, P
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Lindblom, A
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Mäkitalo, S
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Wik, O
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Österlund, A
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Grünewald, M
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Uhnoo, Ingrid
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Linde, A
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Clinical Laborat ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Health Sciences
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and Public Health Gl ...
- Articles in the publication
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Eurosurveillance
- By the university
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Umeå University
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Karolinska Institutet