Fig. 3

Hair loss ten weeks after recovery from COVID-19 in a 27-year-old woman with autosomal recessive HED. a, b Progressive reduction in the number of hairs, especially in the central, frontal, and parietal scalp regions. c Diffuse thinning of the upper biparietal and vertex regions and preservation of the anterior hair implantation line. d Clumps of hair shed after slight traction on the scalp hair during daily brushing