CRP and COVID-19: The subjects who had required hospital admission for acute COVID-19 (n = 5) presented the analytical results of admission shown in Table 2, highlighting a mean of the sample above the reference values for aspartate aminotransferase (AST, 71.40 (68.30)) and alanine aminotransferase (ALT, 89.80 (78.20)), C-reactive protein (CRP, 2.48 (2.00)), D-dimer (759.50 (458.90)) and interleukin (IL)-6 (24.26 (14.60)).