inclusion criteria: 1. adults 18 years of age or older; 2. diagnosis of sars-cov-2 infection confirmed by rt-pcr or antigen test no more than 5 days ago; 3. onset of clinical signs and symptoms of covid-19 no more than 5 days manifested as: 1. presenting sudden onset of anosmia and/or ageusia without any other reasonable explanation and/or; 2. thoracic image by radiography, tomography or ultrasonography compatible with acute clinical symptoms findings of covid-19 and/or; 3. acute onset of cough accompanied by fever and/or 4. acute onset of three or more of the following symptoms: fever, cough, fatigue or general weakness, headache, myalgia, sore throat, runny nose, dyspnea, anorexia or nausea or vomit, diarrhea and mental status change. 4. oxygen saturation by pulse oximetry ≥92% 5. agree to periodic contacts by phone, electronic means and home visits; 6. demonstrate intention to participate in the study, documented by informed consent form signature on the part of the participant. for the very high risk group: 7. being on continuous drug immunosuppressant more than two weeks due to a basic medical condition (e.g. transplant or cancer); for the high risk group: 8. to present at least two risk factors for developing serious covid-19 (over 60 years of age; diabetes mellitus; chronic obstructive pulmonary disease; kidney disease; cardiovascular diseases and body mass index ≥ 35).

inclusion criteria: 1. adults 18 years of age or older; 2. diagnosis of sars-cov-2 infection confirmed by rt-pcr or antigen test no more than 5 days ago; 3. onset of clinical signs and symptoms of covid-19 no more than 5 days manifested as: 1. presenting sudden onset of anosmia and/or ageusia without any other reasonable explanation and/or; 2. thoracic image by radiography, tomography or ultrasonography compatible with acute clinical symptoms findings of covid-19 and/or; 3. acute onset of cough accompanied by fever and/or 4. acute onset of three or more of the following symptoms: fever, cough, fatigue or general weakness, headache, myalgia, sore throat, runny nose, dyspnea, anorexia or nausea or vomit, diarrhea and mental status change. 4. oxygen saturation by pulse oximetry ≥92% 5. agree to periodic contacts by phone, electronic means and home visits; 6. demonstrate intention to participate in the study, documented by informed consent form signature on the part of the participant. for the very high risk group: 7. being on continuous drug immunosuppressant more than two weeks due to a basic medical condition (e.g. transplant or cancer); for the high risk group: 8. to present at least two risk factors for developing serious covid-19 (over 60 years of age; diabetes mellitus; chronic obstructive pulmonary disease; kidney disease; cardiovascular diseases and body mass index ≥ 35).

inclusion criteria: adults 18 years of age or older; diagnosis of sars-cov-2 infection confirmed by rt-pcr or antigen test no more than 5 days ago; onset of clinical signs and symptoms of covid-19 no more than 5 days manifested as: presenting sudden onset of anosmia and/or ageusia without any other reasonable explanation and/or; thoracic image by radiography, tomography or ultrasonography compatible with acute clinical symptoms findings of covid-19 and/or; acute onset of cough accompanied by fever and/or acute onset of three or more of the following symptoms: fever, cough, fatigue or general weakness, headache, myalgia, sore throat, runny nose, dyspnea, anorexia or nausea or vomit, diarrhea and mental status change. oxygen saturation by pulse oximetry ≥92% agree to periodic contacts by phone, electronic means and home visits; demonstrate intention to participate in the study, documented by informed consent form signature on the part of the participant. for the very high risk group: being on continuous drug immunosuppressant more than two weeks due to a basic medical condition (e.g. transplant or cancer); for the high risk group: to present at least two risk factors for developing serious covid-19 (over 60 years of age; diabetes mellitus; chronic obstructive pulmonary disease; kidney disease; cardiovascular diseases and body mass index ≥ 35).

inclusion criteria: adults 18 years of age or older; diagnosis of sars-cov-2 infection confirmed by rt-pcr or antigen test no more than 5 days ago; onset of clinical signs and symptoms of covid-19 no more than 5 days manifested as: presenting sudden onset of anosmia and/or ageusia without any other reasonable explanation and/or; thoracic image by radiography, tomography or ultrasonography compatible with acute clinical symptoms findings of covid-19 and/or; acute onset of cough accompanied by fever and/or acute onset of three or more of the following symptoms: fever, cough, fatigue or general weakness, headache, myalgia, sore throat, runny nose, dyspnea, anorexia or nausea or vomit, diarrhea and mental status change. oxygen saturation by pulse oximetry ≥92% agree to periodic contacts by phone, electronic means and home visits; demonstrate intention to participate in the study, documented by informed consent form signature on the part of the participant. for the very high risk group: being on continuous drug immunosuppressant more than two weeks due to a basic medical condition (e.g. transplant or cancer); for the high risk group: to present at least two risk factors for developing serious covid-19 (over 60 years of age; diabetes mellitus; chronic obstructive pulmonary disease; kidney disease; cardiovascular diseases and body mass index ≥ 35).

inclusion criteria: 1. adults 18 years of age or older; 2. diagnosis of sars-cov-2 infection confirmed by rt-pcr or antigen test no more than 5 days ago; 3. onset of clinical signs and symptoms of covid-19 no more than 5 days manifested as: 1. presenting sudden onset of anosmia and/or ageusia without any other reasonable explanation and/or; 2. thoracic image by radiography, tomography or ultrasonography compatible with acute clinical symptoms findings of covid-19 and/or; 3. acute onset of cough accompanied by fever and/or 4. acute onset of three or more of the following symptoms: fever, cough, fatigue or general weakness, headache, myalgia, sore throat, runny nose, dyspnea, anorexia or nausea or vomit, diarrhea and mental status change. 4. oxygen saturation by pulse oximetry ≥92% 5. agree to periodic contacts by phone, electronic means and home visits; 6. demonstrate intention to participate in the study, documented by informed consent form signature on the part of the participant. for the very high risk group: 7. being on continuous drug immunosuppressant more than two weeks due to a basic medical condition (e.g. transplant or cancer); for the high risk group: 8. to present at least two risk factors for developing serious covid-19 (over 60 years of age; diabetes mellitus; chronic obstructive pulmonary disease; kidney disease; cardiovascular diseases and body mass index ≥ 35).

inclusion criteria: 1. adults 18 years of age or older; 2. diagnosis of sars-cov-2 infection confirmed by rt-pcr or antigen test no more than 5 days ago; 3. onset of clinical signs and symptoms of covid-19 no more than 5 days manifested as: 1. presenting sudden onset of anosmia and/or ageusia without any other reasonable explanation and/or; 2. thoracic image by radiography, tomography or ultrasonography compatible with acute clinical symptoms findings of covid-19 and/or; 3. acute onset of cough accompanied by fever and/or 4. acute onset of three or more of the following symptoms: fever, cough, fatigue or general weakness, headache, myalgia, sore throat, runny nose, dyspnea, anorexia or nausea or vomit, diarrhea and mental status change. 4. oxygen saturation by pulse oximetry ≥92% 5. agree to periodic contacts by phone, electronic means and home visits; 6. demonstrate intention to participate in the study, documented by informed consent form signature on the part of the participant. for the very high risk group: 7. being on continuous drug immunosuppressant more than two weeks due to a basic medical condition (e.g. transplant or cancer); for the high risk group: 8. to present at least two risk factors for developing serious covid-19 (over 60 years of age; diabetes mellitus; chronic obstructive pulmonary disease; kidney disease; cardiovascular diseases and body mass index ≥ 35).