https://www.npr.org/sections/health-shots/2021/11/27/ [login to see] /covid-reinfection-kids-grandparents-immunity-waning
On a Friday afternoon in early October this year, 8-year-old Maricia Redondo came home from her third grade class in the San Francisco Bay Area with puffy eyes, a runny nose and a cough.
"On Saturday morning we both got tested," says Vanessa Quintero, Maricia's 31-year-old mother. "Our results came back Monday that we were both positive."