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.
Updated immunisation recommendation for measles: early vaccination before travel A number of European countries are currently seeing outbreaks of measles. Before the start of the summer season, RIVM has therefore updated its immunisation recommendation for measles.