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.
Half of the Dutch participate in sport weekly In 2014, 53% of people between the ages of 12 and 80 in the Netherlands participate in some type of sport weekly.
Preserving ozone treaty benefits to climate change The Montreal Protocol has not only served to protect the ozone layer, it also has provided a certain degree of climate protection.