Fecal calprotectin concentrations are approximately 6 times higher than those in plasma, and its measurement is used as a surrogate marker of gastrointestinal inflammation. High fecal calprotectin concentrations in COVID-19 patients may lead to intestinal inflammation.

Muscle tissue damage caused by direct viral attack, inflammatory reactions, or side effects of treatment drugs can be the cause of prolonged muscle pain after recovering from Covid. To better understand this condition, please follow the sharing of medical specialists in the following article.