Flu jab for additional groups The flu jab is offered free of charge every year to people aged 60 years and older, and to people who are at higher risk of becoming seriously ill from the flu virus due to medical reasons
Influenza-like Illness Incidence Is Not Reduced by Influenza Vaccination Influenza vaccination reduces the number of influenza virus infections but not the overall number of illness.
Flu season in the winter of 2014 / 2015 more severe and longer than preceding years The flu epidemic in the winter of 2014 / 2015 lasted 21 weeks and as such was the longest epidemic ever recorded in the Netherlands. Nearly two million people suffered from flu-like symptoms.