Why don’t kids get Covid badly? Scientists are unraveling one of the pandemic’s biggest mysteries
A child reacts while receiving a dose of the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at Smoketown Family Wellness Center in Louisville, Kentucky, U.S., November 8, 2021. Jon Cherry | Reuters LONDON — One of the enduring mysteries of the Covid-19 pandemic, a global health crisis that has led to over 6 million fatalities, is that…