A four-fold increased incidence of narcolepsy in vaccinated children/adolescents compared to unvaccinated children was observed in this register-based cohort study.
The first annual meeting of the European hepatitis B and C surveillance network takes place on 23-24 March 2011. Since 2009, ECDC has worked on preparing the enhanced surveillance of hepatitis B and C at EU/EEA level by establishing a network for hepatitis B and C surveillance and by carrying out a survey on prevention and surveillance activities in the Member States.
Each year in February WHO convenes a meeting with advisers from the WHO Influenza Collaborating Centres and Essential Reference laboratories in order to achieve consensus and advise WHO on the optimal formulation of seasonal influenza vaccines for the next influenza season.
The journal Critical Care Medicine has recently published a supplement of open access articles on the experience in intensive care units during the 2009 pandemic of influenza.
In July–November 2009, 26 European Union Member States, Norway and Iceland, participated in a survey seeking information on national tick-borne encephalitis (TBE) vaccination recommendations.
This initiative was taken following the indication of a potential association between the 2009 pandemic influenza A(H1N1) monvalent vaccine and the occurrence of narcolepsy following reports, especially in children from Finland and Sweden.
European and Asian viruses within the tick-borne encephalitis Flavivirus complex are known to show temporal, spatial and phylogenetic relationships that imply a clinal pattern of evolution.