Radiological Society of North America Feb 25 2025 An advanced type of MRI uncovers significant lung abnormalities in children and adolescents with long COVID, according to a new study published today in Radiology , a journal of the Radiological Society of North America (RSNA). Post-COVID-19 condition, commonly known as long COVID, can affect individuals of all ages and is diagnosed when symptoms persist for more than 12 weeks after an initial COVID-19 infection. Children and adolescents