Temporary background values for PFAS in Dutch soil RIVM has derived temporary background values for two types of PFAS in Dutch soil: PFOS (perfluorooctane sulfonate) and PFOA (perfluoro octanoic acid).
Moderate flu season Last winter season, the duration and severity of the influenza epidemic was moderate compared to previous years.
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.