Chris, a 33-year-old strong-built man, caught Covid-19 in April 2020. He had fever for a week followed by a pain in his right calf and heel, which then came on in his other leg and spread to the whole body accompanied by joint stiffness. He lost his energy and couldn't work until a few months later when the symptoms eased. Six months on, his calves were still hurting and affecting his walking, so he came to see me. On examination, his legs were slightly swollen and his calves and right heel ...
