Spread of tick-borne encephalitis virus in the Netherlands Every year about 1.5 million ticks bite someone in the Netherlands, especially between March and October. Most people will not get sick of that.
Guus Velders in Nature's "Ten people that mattered this year" Researcher Dr Guus Velders of RIVM has made the Nature top-10 list of 2016. This means that, according to Nature, he was one of the 10 most influential scientists in 2016.