- know allergy to quinine, quinidine, or mefloquine - confirmed prior positive test for sars-cov-2 - treatment within the past 2 weeks with chloroquine, hydroxychloroquine, or remdesivir - pregnancy or documentation of pregnancy by pre-treatment urine test or breast feeding or plans to become pregnant during the course of the study

- know allergy to quinine, quinidine, or mefloquine - confirmed prior positive test for sars-cov-2 - treatment within the past 2 weeks with chloroquine, hydroxychloroquine, or remdesivir - pregnancy or documentation of pregnancy by pre-treatment urine test or breast feeding or plans to become pregnant during the course of the study

- know allergy to quinine, quinidine, or mefloquine - confirmed prior positive test for sars-cov-2 - treatment within the past 2 weeks with chloroquine, hydroxychloroquine, or remdesivir

- know allergy to quinine, quinidine, or mefloquine - confirmed prior positive test for sars-cov-2 - treatment within the past 2 weeks with chloroquine, hydroxychloroquine, or remdesivir