Joint WHO/ECDC influenza virus characterisation report, summary of TESSy virus characterisation data 2017/18
Summary of influenza virus characterisation data reported by national influenza centres to The European Surveillance System (TESSy) for weeks 40/2017 to 20/201820/2018.
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Influenza Virus Characterisation Reports, summary Europe
The influenza virus characterisation reports give an overview of circulating influenza viruses in Europe. They provide details on the current vaccine strains, summarise the development of the viruses since the last report, and closely follow the main developments for the ongoing influenza season.
See all Influenza Virus Characterisation Reports
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Flu News Europe: Weekly influenza updates
Weekly reports on influenza activity in Europe throughout the flu season are available as Flu News Europe reports and weekly infographic.
Surveillance reports and disease data on seasonal influenza
Latest surveillance reports and disease data on seasonal influenza; Flu News Europe, Influenza virus characterisation reports, ECDC Surveillance Atlas, Annual Epidemiological Reports.
The European Surveillance System (TESSy)
Yearly updates of influenza vaccines
An update of seasonal influenza vaccines is needed yearly, since influenza viruses constantly evolve. How effective the seasonal influenza vaccine is each season depends on the match between the selected vaccine viruses and those found circulating, and will therefore vary from year to year.