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
Slightly fewer adult smokers In 2018, 22.4 per cent of the Dutch adult population indicated they were occasional smokers.
Risks of potential release of genetically modified mosquitoes evaluated On Saba, a Dutch Caribbean island, diseases such as dengue, chikungunya and zika can be reduced by the use of genetically modified mosquitoes.
Chikungunya infections in the Caribbean region Since August 2014, there has been an increase in the number of Chikungunya patients in the Caribbean region. Travellers who visit the region can become infected there.