inclusion criteria: 1. adults of ages 18 to 90 years of both sexes 2. with positive sars-cov-2 carriage confirmed by nasopharyngeal pcr 3. signed informed consent 4. 1- mild symptoms: minimum respiratory symptoms or asymptomatic plus positive test 5. 2- moderate symptoms: respiratory symptoms such as cough, mild shortness of breath with mild oxygen desaturation(room air spo2 \<92% and \>88% or \<88% corrected to \>92% with 2lt of oxygen)

inclusion criteria: 1. adults of ages 18 to 90 years of both sexes 2. with positive sars-cov-2 carriage confirmed by nasopharyngeal pcr 3. signed informed consent 4. 1- mild symptoms: minimum respiratory symptoms or asymptomatic plus positive test 5. 2- moderate symptoms: respiratory symptoms such as cough, mild shortness of breath with mild oxygen desaturation(room air spo2 \<92% and \>88% or \<88% corrected to \>92% with 2lt of oxygen)

inclusion criteria: adults of ages 18 to 90 years of both sexes with positive sars-cov-2 carriage confirmed by nasopharyngeal pcr signed informed consent 1- mild symptoms: minimum respiratory symptoms or asymptomatic plus positive test 2- moderate symptoms: respiratory symptoms such as cough, mild shortness of breath with mild oxygen desaturation(room air spo2 <92% and >88% or <88% corrected to >92% with 2lt of oxygen)

inclusion criteria: adults of ages 18 to 90 years of both sexes with positive sars-cov-2 carriage confirmed by nasopharyngeal pcr signed informed consent 1- mild symptoms: minimum respiratory symptoms or asymptomatic plus positive test 2- moderate symptoms: respiratory symptoms such as cough, mild shortness of breath with mild oxygen desaturation(room air spo2 <92% and >88% or <88% corrected to >92% with 2lt of oxygen)

inclusion criteria: 1. adults of ages 18 to 90 years of both sexes 2. with positive sars-cov-2 carriage confirmed by nasopharyngeal pcr 3. signed informed consent 4. 1- mild symptoms: minimum respiratory symptoms or asymptomatic plus positive test 5. 2- moderate symptoms: respiratory symptoms such as cough, mild shortness of breath with mild oxygen desaturation(room air spo2 <92% and >88% or <88% corrected to >92% with 2lt of oxygen)

inclusion criteria: 1. adults of ages 18 to 90 years of both sexes 2. with positive sars-cov-2 carriage confirmed by nasopharyngeal pcr 3. signed informed consent 4. 1- mild symptoms: minimum respiratory symptoms or asymptomatic plus positive test 5. 2- moderate symptoms: respiratory symptoms such as cough, mild shortness of breath with mild oxygen desaturation(room air spo2 <92% and >88% or <88% corrected to >92% with 2lt of oxygen)