SARS‐CoV‐2 endothelial infection causes COVID‐19 chilblains: histopathological, immunohistochemical and ultrastructural study of seven paediatric cases

Chilblains ('COVID toes') are being seen with increasing frequency in children and young adults during the COVID-19 pandemic. Detailed histopathological descriptions of COVID-19 chilblains have not been reported, and causality of SARS-CoV-2 has not yet been established.To describe the histopathological features of COVID-19 chilblains and to explore the presence of SARS-CoV-2 in the tissue.We examined skin biopsies from seven paediatric patients...