inclusion criteria: * the patient has a recent mild or moderate covid-19 with no or low-grade fever 99.5- 100.94 °f (37.5-38.3 °c). mild covid-19 included that the patient has symptoms of acute upper respiratory tract infection (fever, cough, myalgia, runny nose, fatigue, sore throat, sneezing) or gastrointestinal symptoms (nausea, vomiting, abdominal pain, diarrhea). moderate grade of covid 19 included that the participant has pneumonia (cough, frequent fever) with no obvious hypoxemia, the presence of lesions on chest ct

inclusion criteria: * the patient has a recent mild or moderate covid-19 with no or low-grade fever 99.5- 100.94 °f (37.5-38.3 °c). mild covid-19 included that the patient has symptoms of acute upper respiratory tract infection (fever, cough, myalgia, runny nose, fatigue, sore throat, sneezing) or gastrointestinal symptoms (nausea, vomiting, abdominal pain, diarrhea). moderate grade of covid 19 included that the participant has pneumonia (cough, frequent fever) with no obvious hypoxemia, the presence of lesions on chest ct

inclusion criteria: - the patient has a recent mild or moderate covid-19 with no or low-grade fever 99.5- 100.94 °f (37.5-38.3 °c). mild covid-19 included that the patient has symptoms of acute upper respiratory tract infection (fever, cough, myalgia, runny nose, fatigue, sore throat, sneezing) or gastrointestinal symptoms (nausea, vomiting, abdominal pain, diarrhea). moderate grade of covid 19 included that the participant has pneumonia (cough, frequent fever) with no obvious hypoxemia, the presence of lesions on chest ct

inclusion criteria: - the patient has a recent mild or moderate covid-19 with no or low-grade fever 99.5- 100.94 °f (37.5-38.3 °c). mild covid-19 included that the patient has symptoms of acute upper respiratory tract infection (fever, cough, myalgia, runny nose, fatigue, sore throat, sneezing) or gastrointestinal symptoms (nausea, vomiting, abdominal pain, diarrhea). moderate grade of covid 19 included that the participant has pneumonia (cough, frequent fever) with no obvious hypoxemia, the presence of lesions on chest ct