Grey heron infected with West Nile virus A grey heron in the Noord-Holland-Noord region has tested positive for the West Nile virus. The virus is rare in the Netherlands. Bas van de Meulengraaf
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.