inclusion criteria: * males and females of least 18 years of age and can swallow tablets * competent and willing to provide informed consent * patient must have received a diagnosis of covid-19 infection with positive rt-pcr for sars cov-2 within the last 3 days * patients with moderate symptoms (according to national guidelines on clinical management of coronavirus disease 2019 (covid- 19).version 7.0 .2020, dghs, mohfw, government of the people's republic of bangladesh). following features of moderate covid-19 must be present- 1. fever or history of fever 2. cough and /or shortness of breath 3. oxygen saturation 94% or more 4. pneumonia -pulmonary consolidations on chest imaging (chest x ray or ct scan of chest) involving less than 50%of lungs 5. crb 65 score 0

inclusion criteria: * males and females of least 18 years of age and can swallow tablets * competent and willing to provide informed consent * patient must have received a diagnosis of covid-19 infection with positive rt-pcr for sars cov-2 within the last 3 days * patients with moderate symptoms (according to national guidelines on clinical management of coronavirus disease 2019 (covid- 19).version 7.0 .2020, dghs, mohfw, government of the people's republic of bangladesh). following features of moderate covid-19 must be present- 1. fever or history of fever 2. cough and /or shortness of breath 3. oxygen saturation 94% or more 4. pneumonia -pulmonary consolidations on chest imaging (chest x ray or ct scan of chest) involving less than 50%of lungs 5. crb 65 score 0

inclusion criteria: males and females of least 18 years of age and can swallow tablets competent and willing to provide informed consent patient must have received a diagnosis of covid-19 infection with positive rt-pcr for sars cov-2 within the last 3 days patients with moderate symptoms (according to national guidelines on clinical management of coronavirus disease 2019 (covid- 19).version 7.0 .2020, dghs, mohfw, government of the people's republic of bangladesh). following features of moderate covid-19 must be present- fever or history of fever cough and /or shortness of breath oxygen saturation 94% or more pneumonia -pulmonary consolidations on chest imaging (chest x ray or ct scan of chest) involving less than 50%of lungs crb 65 score 0

inclusion criteria: males and females of least 18 years of age and can swallow tablets competent and willing to provide informed consent patient must have received a diagnosis of covid-19 infection with positive rt-pcr for sars cov-2 within the last 3 days patients with moderate symptoms (according to national guidelines on clinical management of coronavirus disease 2019 (covid- 19).version 7.0 .2020, dghs, mohfw, government of the people's republic of bangladesh). following features of moderate covid-19 must be present- fever or history of fever cough and /or shortness of breath oxygen saturation 94% or more pneumonia -pulmonary consolidations on chest imaging (chest x ray or ct scan of chest) involving less than 50%of lungs crb 65 score 0

inclusion criteria: - males and females of least 18 years of age and can swallow tablets - competent and willing to provide informed consent - patient must have received a diagnosis of covid-19 infection with positive rt-pcr for sars cov-2 within the last 3 days - patients with moderate symptoms (according to national guidelines on clinical management of coronavirus disease 2019 (covid- 19).version 7.0 .2020, dghs, mohfw, government of the people's republic of bangladesh). following features of moderate covid-19 must be present- 1. fever or history of fever 2. cough and /or shortness of breath 3. oxygen saturation 94% or more 4. pneumonia -pulmonary consolidations on chest imaging (chest x ray or ct scan of chest) involving less than 50%of lungs 5. crb 65 score 0

inclusion criteria: - males and females of least 18 years of age and can swallow tablets - competent and willing to provide informed consent - patient must have received a diagnosis of covid-19 infection with positive rt-pcr for sars cov-2 within the last 3 days - patients with moderate symptoms (according to national guidelines on clinical management of coronavirus disease 2019 (covid- 19).version 7.0 .2020, dghs, mohfw, government of the people's republic of bangladesh). following features of moderate covid-19 must be present- 1. fever or history of fever 2. cough and /or shortness of breath 3. oxygen saturation 94% or more 4. pneumonia -pulmonary consolidations on chest imaging (chest x ray or ct scan of chest) involving less than 50%of lungs 5. crb 65 score 0