Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is defined as the virus causing the present coronavirus disease outbreak (COVID-19) that has been initially discovered in Wuhan, China after complaints of severe pneumonia. The impact of vitamin D on complications and treatment of COVID-19, as well as its potential role in lowering the incidence of COVID-19, has been the subject of much investigation. The correlation between COVID-19 infections and vitamin D will be demonstrated in the presented work.