inclusion criteria: 1. symptomatic and rt-pcr confirmed covid-19 within 6 days from symptom onset. 2. has any one of the following factors associated with disease progression: 1. elevated lactate dehydrogenase (ldh) 2. elevated c reactive protein (crp) 3. lymphocyte count below normal limit 4. age 40 and above 5. history of well-controlled diabetes, hypertension, chronic obstructive lung disease or ischemic heart diseases 6. stable chronic renal disease 7. history of asthma 3. disease outcome score of 6, 7 or 8 based on the covid scale 4. willing to comply with the requirements of the study protocol and attend scheduled study visits 5. can give written informed consent approved by the ethical review board governing the site

inclusion criteria: 1. symptomatic and rt-pcr confirmed covid-19 within 6 days from symptom onset. 2. has any one of the following factors associated with disease progression: 1. elevated lactate dehydrogenase (ldh) 2. elevated c reactive protein (crp) 3. lymphocyte count below normal limit 4. age 40 and above 5. history of well-controlled diabetes, hypertension, chronic obstructive lung disease or ischemic heart diseases 6. stable chronic renal disease 7. history of asthma 3. disease outcome score of 6, 7 or 8 based on the covid scale 4. willing to comply with the requirements of the study protocol and attend scheduled study visits 5. can give written informed consent approved by the ethical review board governing the site

inclusion criteria: symptomatic and rt-pcr confirmed covid-19 within 6 days from symptom onset. has any one of the following factors associated with disease progression: elevated lactate dehydrogenase (ldh) elevated c reactive protein (crp) lymphocyte count below normal limit age 40 and above history of well-controlled diabetes, hypertension, chronic obstructive lung disease or ischemic heart diseases stable chronic renal disease history of asthma disease outcome score of 6, 7 or 8 based on the covid scale willing to comply with the requirements of the study protocol and attend scheduled study visits can give written informed consent approved by the ethical review board governing the site

inclusion criteria: symptomatic and rt-pcr confirmed covid-19 within 6 days from symptom onset. has any one of the following factors associated with disease progression: elevated lactate dehydrogenase (ldh) elevated c reactive protein (crp) lymphocyte count below normal limit age 40 and above history of well-controlled diabetes, hypertension, chronic obstructive lung disease or ischemic heart diseases stable chronic renal disease history of asthma disease outcome score of 6, 7 or 8 based on the covid scale willing to comply with the requirements of the study protocol and attend scheduled study visits can give written informed consent approved by the ethical review board governing the site

inclusion criteria: 1. symptomatic and rt-pcr confirmed covid-19 within 6 days from symptom onset. 2. has any one of the following factors associated with disease progression: 1. elevated lactate dehydrogenase (ldh) 2. elevated c reactive protein (crp) 3. lymphocyte count below normal limit 4. age 40 and above 5. history of well-controlled diabetes, hypertension, chronic obstructive lung disease or ischemic heart diseases 6. stable chronic renal disease 7. history of asthma 3. disease outcome score of 6, 7 or 8 based on the covid scale 4. willing to comply with the requirements of the study protocol and attend scheduled study visits 5. can give written informed consent approved by the ethical review board governing the site

inclusion criteria: 1. symptomatic and rt-pcr confirmed covid-19 within 6 days from symptom onset. 2. has any one of the following factors associated with disease progression: 1. elevated lactate dehydrogenase (ldh) 2. elevated c reactive protein (crp) 3. lymphocyte count below normal limit 4. age 40 and above 5. history of well-controlled diabetes, hypertension, chronic obstructive lung disease or ischemic heart diseases 6. stable chronic renal disease 7. history of asthma 3. disease outcome score of 6, 7 or 8 based on the covid scale 4. willing to comply with the requirements of the study protocol and attend scheduled study visits 5. can give written informed consent approved by the ethical review board governing the site