The Wellcome Trust reveals how attitudes towards vaccinations vary around the world in its Global Monitor. The most vaccine-sceptical country is France – because of scares around vaccines. In neighbouring Germany one state has approved plans to make vaccinations compulsory because of low rates. But in Madagascar where more than 1200 children have died since last autumn from measles, parents walk for miles to have their children inoculated. What can be done to persuade people to vaccinate?