“…Alterations in BV have been previously documented in SD, which would correlate well with the depth and prognosis of hearing loss. 3 This peculiarity brings together causal theories such as viral, vascular, inflammatory or autoimmune, as the result of all of them often results in leukocytosis, thrombocytosis, hyperproteinemia and elevated acute phase reactants. 1 , 4 These laboratory findings are often present in SD and COVID-19, especially in severe cases.…”