ACE2 and COVID-19: Overall, although several clues would suggest a possible relationship between thyroid gland and SARS-CoV-2, and even if the presence of the receptor for SARS-CoV-2 entry (i.e., angiotensin-converting enzyme 2 [ACE-2]) in thyroid cells has been proven [8, 9], which thyroid consequences can be observed in patients diagnosed with COVID-19 remains to be fully clarified.