Vaccines matter for each of us: yearly, they prevent 2.7 million people from contracting measles, one million from getting whooping cough and two million babies from getting tetanus. They eradicated smallpox. They stopped polio, a dreadful disease affecting millions of children, in almost all countries in the world. Despite these hard facts, many Europeans are hesitant when it comes to immunising themselves or their children. Read EMA statement here.