Meningococcal disease serious, but still rare Meningococcal disease is a disease caused by a bacterium, the meningococcus. There are several types of this bacterium. In most cases, it does not make you ill.
Lyme disease costs EUR 20 million annually 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.