Effects of Vaccination against Pandemic (H1N1) 2009 among Japanese Children

Nishiura, Hiroshi; Oshitani, Hitoshi

doi:10.3201/eid1704.100525

Cited by 10 publications

(12 citation statements)

References 9 publications

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“…10 Depending on age or school category, children left the home for different reasons and, as such, the corresponding optimal countermeasures are also likely to be age-dependent. 11,12 Moreover, measures to improve the acceptance of school closure among parents should be implemented, since it is important that there is a proper understanding of why contact among children should be restricted. Taken together, data from the present survey suggest that a substantial effort regarding risk communication should be undertaken in advance of the next pandemic.…”

Section: Discussionmentioning

confidence: 99%

Contact behaviour of children and parental employment behaviour during school closures against the pandemic influenza A (H1N1-2009) in Japan

2013

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No impact on parental working hours was reported by 742/882 (84.1%) of households. Univariate analyses showed that the frequency with which children left the home was dependent on age, extent of school closure and requirement for special childcare arrangements. Conclusions: A greater understanding of age-dependent behaviours, during school closures as a consequence of a pandemic, is required. Consideration of a public policy to permit a paid leave of absence from work for parents during school closures may be beneficial; the cost-effectiveness of such a measure should be assessed in future.

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Section: Discussionmentioning

confidence: 99%

Contact behaviour of children and parental employment behaviour during school closures against the pandemic influenza A (H1N1-2009) in Japan

2013

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“…The protective effect of vaccination among child participants has been assessed and reported elsewhere. 18 Information on the household size, and age and gender of each household member, was collected. When a participant met the definition of an H1N1-2009 case, they were asked for their earliest date of symptom onset.…”

Section: Data Collectionmentioning

confidence: 99%

Household Transmission of Influenza (H1N1-2009) in Japan: Age-Specificity and Reduction of Household Transmission Risk by Zanamivir Treatment

Nishiura

Oshitani

2011

J Int Med Res

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“…It is currently unclear how a documented intention to implement control measures is translated into practice and in the absence of such detailed implementation data we cannot address important questions concerning the relationship between plans and implementation, and implementation and outcomes. Evaluating the implementation of pandemic plans is an important area for future research, one that others are attempting,3 and it will be important to evaluate both effectiveness and cost-effectiveness of specific components of pandemic plans, such as antiviral use,24 vaccination25 and social distancing measure 16. Model-based analyses may help in this matter and also enable us to begin to make quantitative assessments of the importance of contact patterns (and the effect of school closure on these), and atmospheric conditions 26–28.…”

Section: Discussionmentioning

confidence: 99%

Analysis of 2009 pandemic influenza A/H1N1 outcomes in 19 European countries: association with completeness of national strategic plans

2013

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ObjectiveTo describe changes in reported influenza activity associated with the 2009 H1N1 pandemic in European countries and determine whether there is a correlation between these changes and completeness of national strategic pandemic preparedness.DesignA retrospective correlational study.SettingCountries were included if their national strategic plans had previously been analysed and if weekly influenza-like illness (ILI) data from sentinel networks between week 21, 2006 and week 20, 2010 were more than 50% complete.Outcome measuresFor each country we calculated three outcomes: the percentage change in ILI peak height during the pandemic relative to the prepandemic mean; the timing of the ILI peak and the percentage change in total cases relative to the prepandemic mean. Correlations between these outcomes and completeness of a country's national strategic pandemic preparedness plan were assessed using the Pearson product–moment correlation coefficient.ResultsNineteen countries were included. The ILI peak occurred earlier than the mean seasonal peak in 17 countries. In 14 countries the pandemic peak was higher than the seasonal peak, though the difference was large only in Norway, the UK and Greece. Nine countries experienced more total ILI cases during the pandemic compared with the mean for prepandemic years. Five countries experienced two distinct pandemic peaks. There was no clear pattern of correlation between overall completeness of national strategic plans and pandemic influenza outcome measures and no evidence of association between these outcomes and components of pandemic plans that might plausibly affect influenza outcomes (public health interventions, vaccination, antiviral use, public communication). Amongst the 17 countries with a clear pandemic peak, only the correlation between planning for essential services and change in total ILI cases significantly differed from zero: correlation coefficient (95% CI) 0.50 (0.02, 0.79).ConclusionsThe diversity of pandemic influenza outcomes across Europe is not explained by the marked variation in the completeness of pandemic plans.

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Effects of Vaccination against Pandemic (H1N1) 2009 among Japanese Children

Cited by 10 publications

References 9 publications

Contact behaviour of children and parental employment behaviour during school closures against the pandemic influenza A (H1N1-2009) in Japan

Contact behaviour of children and parental employment behaviour during school closures against the pandemic influenza A (H1N1-2009) in Japan

Household Transmission of Influenza (H1N1-2009) in Japan: Age-Specificity and Reduction of Household Transmission Risk by Zanamivir Treatment

Analysis of 2009 pandemic influenza A/H1N1 outcomes in 19 European countries: association with completeness of national strategic plans

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