Inclusion Criteria:  A recent mild or moderate COVID-19 with no or low-grade fever 99.5- 100.94 °F (37.5-38.3 °C)  Exclusion Criteria:  Any patient was not hospitalized and had high-grade fever <100.94 °F (<38.3 °C) or other chronic diseases such as heart problems, hypertension, or diabetes. Women how were using contraceptives were excluded because contraceptives decrease immune functions and might affect the subjectivity to autoimmune disorders with marked increases in risk for various autoimmune disorders