Pneumococci - this name is appearing more and more frequently in the media. Parents of young children hear that, on the one hand, it is worth vaccinating their children to protect them from disease, while, on the other hand, they hear that vaccines can have many negative side effects. So what is it really like? Is it worth vaccinating your child or is it better to wait as long as possible? Below, we provide a collection of information on pneumococci, the diseases they cause and the arguments for and against vaccinating children.