COVID-19 Positive Outpatient Thrombosis Prevention in Adults Aged 40-80

Subjects will be contacted either electronically or by telephone within 24 hours of randomization to confirm receipt of the study treatment. Study drug will be shipped to subjects home. Subjects will take Apixaban 2.5 MG twice a day; once in the morning and once in the evening for 45 days. Subjects will be contacted (electronic or telephone) minimally weekly after initial start of study medication and contact will continue up to day 75 after starting study treatment. Follow up electronic contact will be dependent on initial patient response, compliance with response, and medication adherence, for the trial duration using electronic contacts and through telephone contacts. Participants will be queried for any clinically relevant endpoints, especially major bleeding, or need to seek healthcare attention for any reason. Follow-up will occur from the time of study drug receipt and through the 30 day safety period.

Subjects will be contacted either electronically or by telephone within 24 hours of randomization to confirm receipt of the study treatment. Study drug will be shipped to subjects home. Subjects will take Apixaban 5 MG twice a day; once in the morning and once in the evening for 45 days. Subjects will be contacted (electronic or telephone) minimally weekly after initial start of study medication and contact will continue up to day 75 after starting study treatment. Follow up electronic contact will be dependent on initial patient response, compliance with response, and medication adherence, for the trial duration using electronic contacts and through telephone contacts. Participants will be queried for any clinically relevant endpoints, especially major bleeding, or need to seek healthcare attention for any reason. Follow-up will occur from the time of study drug receipt and through the 30 day safety period.

Subjects will be contacted either electronically or by telephone within 24 hours of randomization to confirm receipt of the study treatment. Study drug will be shipped to subjects home. Subjects will take Aspirin twice a day; once in the morning and once in the evening for 45 days. Subjects will be contacted (electronic or telephone) minimally weekly after initial start of study medication and contact will continue up to day 75 after starting study treatment. Follow up electronic contact will be dependent on initial patient response, compliance with response, and medication adherence, for the trial duration using electronic contacts and through telephone contacts. Participants will be queried for any clinically relevant endpoints, especially major bleeding, or need to seek healthcare attention for any reason. Follow-up will occur from the time of study drug receipt and through the 30 day safety period.

Subjects will be contacted either electronically or by telephone within 24 hours of randomization to confirm receipt of the study treatment. Study placebo will be shipped to subjects home. Subjects will take placebo twice a day; once in the morning and once in the evening for 45 days. Subjects will be contacted (electronic or telephone) minimally weekly after initial start of study medication and contact will continue up to day 75 after starting study treatment. Follow up electronic contact will be dependent on initial patient response, compliance with response, and medication adherence, for the trial duration using electronic contacts and through telephone contacts. Participants will be queried for any clinically relevant endpoints, especially major bleeding, or need to seek healthcare attention for any reason. Follow-up will occur from the time of study drug receipt and through the 30 day safety period.