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.

RIVM has investigated the so-called giant tick that was found in Odoorn in the province of Drenthe on 13 July. It is a Hyalomma marginatum female. 

Research by RIVM shows that the participants in the so-called tROM project, their supervisors and other people involved may have been exposed to chromium-6.

From 1984-2006, employees of the Dutch Ministry of Defence were exposed to chromium-6 during maintenance work.

According to a survey by RIVM , 27,000 people were infected with Lyme disease in 2017. In 2014, the last time RIVM reported on the incidence of tick-borne disease, this number was 25,000.

The societal costs of Lyme disease have been determined for the Netherlands for the first time. The disease appears to cost nearly EUR 20 million each year.

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).

At the start of the “Tick Awareness Week”, the Dutch National Institute for Public Health and the Environment (RIVM) and Wageningen UR are commencing a large-scale study on the long-term effects of