“…COVID‐19 is typically characterized by symptoms of viral pneumonia such as fever, fatigue, dry cough, anosmia and headache, which may evolve to respiratory failure 3,4 . Because of the ubiquitous distribution of the main viral entry receptor, namely angiotensin converting enzyme 2 (ACE2), SARS‐CoV‐2 causes a systemic disease, with possible involvement of the heart, the liver, the pancreas and the kidneys, as well as determines alterations in circulating lymphocytes and the immune system 4‐7 …”