Most people consider extra virgin olive oil to be incredibly healthy. This traditional oil is a staple in the Mediterranean diet. Studies show that the fatty acids and antioxidants in olive oil may provide some powerful health benefits, including a reduced risk of heart disease.

On January 5, 2020, WHO issued a global alert after 44 patients were hospitalized with pneumonia of unknown cause, reported by the national authorities of China. On March 11, 2020, WHO declared the novel coronavirus, identified as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and causing the so-called coronavirus disease 2019 (COVID-19), a pandemic.

Since December 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread worldwide, spawning a pandemic. Although the respiratory system is the primary site of infection, several other organs may be affected by coronavirus disease 2019 (COVID-19).

The incidence of non-alcoholic fatty liver disease (NAFLD) is significantly increased in people with a relatively normal body mass index (BMI), a condition known as non-obese non-alcoholic fatty liver disease or lean non-alcoholic fatty liver disease. The following article is a review of studies on the prognosis of patients with non-obese non-alcoholic fatty liver disease.