Global health security encompasses activities required to minimise the danger and impact of infectious disease threats and Chemical, Biological, Radiological and Nuclear (CBRN Chemical Biological Radiology and nuclear (Chemical Biological Radiology and nuclear )) risks across geographical regions and international boundaries. RIVM works towards a healthy population and environment by strengthening global health security through numerous initiatives. The Global Health Security website is an initiative of RIVM experts involved in this topic. This website introduces you to our Global Health Security activities and provides an overview of our international health capacity building projects together with international collaborative partners.