inclusion criteria: * confirmed covid-19 positive test result * mild to moderate respiratory symptoms of covid-19. * systolic blood pressure ≥ 105 mmhg. * screen within 3 days of a positive covid-19 test. * age ≥18 years old. * access to a phone in the hospital room or an electronic device that is capable of receiving phone or video calls. * able to read/write/speak english or spanish fluently. * subjects must have the capacity to provide consent or an appropriate lar to provide informed consent. * negative pregnancy test for women of childbearing potential and subject is randomized to the study arm.

inclusion criteria: * confirmed covid-19 positive test result * mild to moderate respiratory symptoms of covid-19. * systolic blood pressure ≥ 105 mmhg. * screen within 3 days of a positive covid-19 test. * age ≥18 years old. * access to a phone in the hospital room or an electronic device that is capable of receiving phone or video calls. * able to read/write/speak english or spanish fluently. * subjects must have the capacity to provide consent or an appropriate lar to provide informed consent. * negative pregnancy test for women of childbearing potential and subject is randomized to the study arm.

inclusion criteria: - confirmed covid-19 positive test result - mild to moderate respiratory symptoms of covid-19. - systolic blood pressure ≥ 105 mmhg. - screen within 3 days of a positive covid-19 test. - age ≥18 years old. - access to a phone in the hospital room or an electronic device that is capable of receiving phone or video calls. - able to read/write/speak english or spanish fluently. - subjects must have the capacity to provide consent or an appropriate lar to provide informed consent. - negative pregnancy test for women of childbearing potential and subject is randomized to the study arm.

inclusion criteria: - confirmed covid-19 positive test result - mild to moderate respiratory symptoms of covid-19. - systolic blood pressure ≥ 105 mmhg. - screen within 3 days of a positive covid-19 test. - age ≥18 years old. - access to a phone in the hospital room or an electronic device that is capable of receiving phone or video calls. - able to read/write/speak english or spanish fluently. - subjects must have the capacity to provide consent or an appropriate lar to provide informed consent. - negative pregnancy test for women of childbearing potential and subject is randomized to the study arm.