inclusion criteria: 1. adults. 2. confirmed sars-cov-2 diagnosis (positive polymerase chain reaction by nasopharyngeal swab). 3. mild to moderate covid-19 patients. 4. no history of the current use of olive leaf capsules supplement.

inclusion criteria: 1. adults. 2. confirmed sars-cov-2 diagnosis (positive polymerase chain reaction by nasopharyngeal swab). 3. mild to moderate covid-19 patients. 4. no history of the current use of olive leaf capsules supplement.

inclusion criteria: adults. confirmed sars-cov-2 diagnosis (positive polymerase chain reaction by nasopharyngeal swab). mild to moderate covid-19 patients. no history of the current use of olive leaf capsules supplement.

inclusion criteria: adults. confirmed sars-cov-2 diagnosis (positive polymerase chain reaction by nasopharyngeal swab). mild to moderate covid-19 patients. no history of the current use of olive leaf capsules supplement.

inclusion criteria: 1. adults. 2. confirmed sars-cov-2 diagnosis (positive polymerase chain reaction by nasopharyngeal swab). 3. mild to moderate covid-19 patients. 4. no history of the current use of olive leaf capsules supplement.

inclusion criteria: 1. adults. 2. confirmed sars-cov-2 diagnosis (positive polymerase chain reaction by nasopharyngeal swab). 3. mild to moderate covid-19 patients. 4. no history of the current use of olive leaf capsules supplement.