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
Release of QMRAspot v2 for quantitative microbial risk assessment of drinking water RIVM has developed a new version of QMRAspot (2.0), a user-friendly computational tool to calculate the risk of becoming infected by pathogenic microorganisms in drinking water.