Following previous studies that placed 1,25 dihydroxy vitamin D in the context of the Nrf2 activator [46,47], this research showed a positive correlation between the values of 1,25 dihydroxy vitamin D and Nrf2 in the mild/moderate form of the disease, and its possible positive role in the treatment and prevention of COVID-19 [48]. Here, NFE2L2 is linked to COVID-19.