COVID-19 and physical activity: What is the relation between exercise immunology and the current pandemic situation?

Abstract

Exercise immunology is a strong and mysterious science in sports medicine, but studies were origin more than a 100 years ago, when Schulte had already described an exercise-induced leukocytosis as early as 1893 [1]. Since then, both cross-sectional and longitudinal studies in humans have demonstrated the profound impact that exercise can have on the immune system. That is exactly why it is fundamentally important in this pandemic time to elucidate many questions and direct the athletes and non-athletes to the due care...