Smokers inhale more tar, nicotine and carbon monoxide when measured with WHO method RIVM has measured the amount of tar, nicotine and carbon monoxide (TNCO) in all filter cigarettes sold in the Netherlands with the WHO Intense method.
COVID-19 vaccination figures more up-to-date due to optimised monitoring RIVM has been publishing national and regional figures on COVID-19 vaccination in the Netherlands every week since 19 January 2021.