Environmental radioactivity in the Netherlands : Results in 2017 RIVM reports annually on the level of radioactivity that occurs under normal circumstances in the environment and food.
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.