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.
Provisional figures on participation in the National Immunisation Programme According to RIVM’s registration system, at least 90% of babies have been vaccinated against mumps, measles and rubella (MMR).