It’s still believed that most children with the coronavirus are either asymptomatic or have minor symptoms. But because of that, few children are tested, so we really don’t know how many are getting infected. There’s also growing concern that some children are suffering rare, but devastating complications. A new study by the National Institutes of Health is designed to determine how the coronavirus is truly affecting children. “We’d all like to know why children don’t get sick with the virus,” said Dr.