New $40 million NIH study hopes to solve mysteries behind children’s long Covid-19

Ava is what Heather Brugger calls her "miracle child." Of her four children, the 20-year-old is the one who is "firing on all cylinders all the time," the kind of kid who knows all the passwords to make everyone's electronics in the house work. Covid-19, though, is testing Ava's mettle and it's been almost a year since her initial diagnosis.