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
Target group-oriented information more effective in the prevention of skin cancer Avoid sunburn. This is the main advice for the prevention of skin cancer. Targeted information is needed to ensure that people adapt their behaviour accordingly. In places where people are exposed to the sun, for example, or for certain groups of peo