In the fight against extreme poverty, the smallest thing can make the biggest impact. Something as small as a vaccine has the mighty power to save millions of children’s lives worldwide. Over the next few months, we’ll be advocating for Gavi, the Vaccine Alliance, to make sure that people everywhere can access the vaccinations they need to live healthy lives. Here’s everything you need to know about Gavi: What exactly is Gavi? Gavi, the Vaccine Alliance, is an organisation that improves access to...