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Impact of influenza vaccination programmes among the elderly population on primary care, Portugal, Spain and the Netherlands ; 2015/16 to 2017/18 influenza seasons
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The impact of national vaccination policy changes on influenza incidence in the Netherlands
Inference of age‐dependent case‐fatality ratios for seasonal influenza virus subtypes A(H3N2) and A(H1N1)pdm09 and B lineages using data from the Netherlands