Vaccines are one of the greatest public health achievements in history - they have helped save countless lives. Smallpox has been eradicated; polio is on its way out. Many public authorities across the world have made childhood vaccination mandatory, to speed up the elimination of life-threatening illnesses. Yet more and more people are fighting the idea of vaccinations.
What is the role of social media in this?
How can we ensure that the choice not to vaccinate is based on fact-checked information?
How should public authorities tackle the tricky challenge of respecting individual choices, while safeguarding public health? How can we stop this misinformation campaign?