Six in ten children are immune to the COVID-19 virus despite never being infected by it | Gavi, the Vaccine Alliance https://www.gavi.org/vaccineswork/six-ten-children-are-immune-covid-19-virus-despite-never-being-infected-it?fbclid=IwAR3PPgcubycJgCc15eyEdp9GN1SFRJe74FB96SG4X5feCb3Qyb85JTGmtA4