TG and hypothyroidism: Clinical studies exposed viral infection-related thyrotoxicosis cases represented as a post-viral inflammatory process followed by SARS-CoV-2 infection.48–51 As the clinical course of a thyrotoxic state proceeds, patients' thyroid hormone levels drop to the hypothalamic reference range.52 The evaluation of both viral and post-viral thyroiditis resulting in hypothyroidism may reveal SARS-CoV-2 infection, thus suggesting that physicians should be aware of a possible relationship between COVID-19 and hypothyroidism.