inclusion criteria: * coronavirus disease 2019 (covid-19) positive diagnosis by locally obtained viral diagnostic test (example, polymerase chain reaction \[pcr\]). this may be nasal swab or saliva test or other available technology to demonstrate current infection * confirm that participant is known to health system, with at least 1 contact in electronic medical records (emr) prior to screening * symptoms attributable to covid-19 (example, fever, cough, loss of taste or smell, muscle aches, shortness of breath, fatigue) * initial treatment plan does not include hospitalization * presence of at least 1 additional risk factor: a) age more than or equal to (\>=) 60 years; b) prior history of vte; c) history of thrombophilia; d) history of coronary artery disease (cad); e) history of peripheral artery disease (pad); f) history of cerebrovascular disease or ischemic stroke; g) history of cancer (other than basal cell carcinoma) h) history of diabetes requiring medication; i) history of heart failure; j) body mass index (bmi) greater than or equal to (\>=) 35 kilogram per meter square (kg/m\^2); k) d-dimer greater than (\>) upper limit of normal for local laboratory (within 2 weeks of the date of the covid-19 test and prior to randomization)

inclusion criteria: * coronavirus disease 2019 (covid-19) positive diagnosis by locally obtained viral diagnostic test (example, polymerase chain reaction \[pcr\]). this may be nasal swab or saliva test or other available technology to demonstrate current infection * confirm that participant is known to health system, with at least 1 contact in electronic medical records (emr) prior to screening * symptoms attributable to covid-19 (example, fever, cough, loss of taste or smell, muscle aches, shortness of breath, fatigue) * initial treatment plan does not include hospitalization * presence of at least 1 additional risk factor: a) age more than or equal to (\>=) 60 years; b) prior history of vte; c) history of thrombophilia; d) history of coronary artery disease (cad); e) history of peripheral artery disease (pad); f) history of cerebrovascular disease or ischemic stroke; g) history of cancer (other than basal cell carcinoma) h) history of diabetes requiring medication; i) history of heart failure; j) body mass index (bmi) greater than or equal to (\>=) 35 kilogram per meter square (kg/m\^2); k) d-dimer greater than (\>) upper limit of normal for local laboratory (within 2 weeks of the date of the covid-19 test and prior to randomization)

inclusion criteria: - coronavirus disease 2019 (covid-19) positive diagnosis by locally obtained viral diagnostic test (example, polymerase chain reaction [pcr]). this may be nasal swab or saliva test or other available technology to demonstrate current infection - confirm that participant is known to health system, with at least 1 contact in electronic medical records (emr) prior to screening - symptoms attributable to covid-19 (example, fever, cough, loss of taste or smell, muscle aches, shortness of breath, fatigue) - initial treatment plan does not include hospitalization - presence of at least 1 additional risk factor: a) age more than or equal to (>=) 60 years; b) prior history of vte; c) history of thrombophilia; d) history of coronary artery disease (cad); e) history of peripheral artery disease (pad); f) history of cerebrovascular disease or ischemic stroke; g) history of cancer (other than basal cell carcinoma) h) history of diabetes requiring medication; i) history of heart failure; j) body mass index (bmi) greater than or equal to (>=) 35 kilogram per meter square (kg/m^2); k) d-dimer greater than (>) upper limit of normal for local laboratory (within 2 weeks of the date of the covid-19 test and prior to randomization)

inclusion criteria: - coronavirus disease 2019 (covid-19) positive diagnosis by locally obtained viral diagnostic test (example, polymerase chain reaction [pcr]). this may be nasal swab or saliva test or other available technology to demonstrate current infection - confirm that participant is known to health system, with at least 1 contact in electronic medical records (emr) prior to screening - symptoms attributable to covid-19 (example, fever, cough, loss of taste or smell, muscle aches, shortness of breath, fatigue) - initial treatment plan does not include hospitalization - presence of at least 1 additional risk factor: a) age more than or equal to (>=) 60 years; b) prior history of vte; c) history of thrombophilia; d) history of coronary artery disease (cad); e) history of peripheral artery disease (pad); f) history of cerebrovascular disease or ischemic stroke; g) history of cancer (other than basal cell carcinoma) h) history of diabetes requiring medication; i) history of heart failure; j) body mass index (bmi) greater than or equal to (>=) 35 kilogram per meter square (kg/m^2); k) d-dimer greater than (>) upper limit of normal for local laboratory (within 2 weeks of the date of the covid-19 test and prior to randomization)