More than a quarter of people with Lyme disease continue to have long-term symptoms that lead to limitations in daily life even after treatment.

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.

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).