A four-fold increased incidence of narcolepsy in vaccinated children/adolescents compared to unvaccinated children was observed in this register-based cohort study.
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.
This will be the first joint meeting of the EARS-Net and HAI-Net Coordination groups. The meeting will address epidemiological, microbiological and technical aspects related to surveillance and reporting of antimicrobial resistance and healthcare-associated infections.
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.