A117(e.g. cough). The more complex concepts of 'chest heaviness' and 'chest tightness' were experienced by participants of all ages, but were rarely reported spontaneously by the younger children. ConClusions: There was consistency in the symptoms reported by children and adults but younger children were less likely to spontaneously report the more complex symptoms. Using age-appropriate language, pictograms and creative tasks can help elicit content from younger children.