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).
Chikungunya infections in the Caribbean region Since August 2014, there has been an increase in the number of Chikungunya patients in the Caribbean region. Travellers who visit the region can become infected there.