It’s no fun having a needle stuck into your arm. But remember: You’re not just getting a flu shot for yourself — you’re protecting your family, friends, coworkers and community, too.

Half the vaccines that are manufactured each year don’t make it to their destination, getting lost or damaged along the way between manufacturer and remote health clinics. That means that each year, 1.5 million children in the developing world die needlessly. Neuroscientist and TED Fellow Catharine Young explains a novel approach she thinks can fix the problems.