The vaccination rate for vaccines included in the National Immunisation Programme has dropped slightly by about 1 percent.

On Saba, a Dutch Caribbean island, diseases such as dengue, chikungunya and zika can be reduced by the use of genetically modified mosquitoes.

One in 5 tick bites occurs in an urban area. Although most tick bites occur in the countryside, many people are bitten in urban areas as well.

For the first time, a person in the Netherlands has fallen ill after a bite from a tick carrying the tick-borne encephalitis virus (TBE virus).