Geneva (dpa) - The number of measles diseases in Europe has increased significantly this year. The World Health Organization already had about 90,000 cases in the first six months. This means that the number of diseases has doubled compared to the same period in 2018, the WHO announced in Geneva. In addition, four countries - Albania, the Czech Republic, Greece and the United Kingdom - have lost their status as free of measles. Particularly affected were Ukraine, Kazakhstan, Georgia and Russia. In Germany, measles would still be regionally limited.