* patients will be excluded if they report to be allergic to ivermectin or if there is potential for a drug-drug interaction with ivermectin; * have chronic illnesses (e.g., ischemic heart disease, heart failure, documented cardiomyopathy, chronic kidney disease, chronic liver disease); * have received ivermectin in the last 7 days; are pregnant or lactating; * or have participated in any other clinical trial within the last month.

* patients will be excluded if they report to be allergic to ivermectin or if there is potential for a drug-drug interaction with ivermectin; * have chronic illnesses (e.g., ischemic heart disease, heart failure, documented cardiomyopathy, chronic kidney disease, chronic liver disease); * have received ivermectin in the last 7 days; are pregnant or lactating; * or have participated in any other clinical trial within the last month.

- patients will be excluded if they report to be allergic to ivermectin or if there is potential for a drug-drug interaction with ivermectin; - have chronic illnesses (e.g., ischemic heart disease, heart failure, documented cardiomyopathy, chronic kidney disease, chronic liver disease); - have received ivermectin in the last 7 days; are pregnant or lactating; - or have participated in any other clinical trial within the last month.

- patients will be excluded if they report to be allergic to ivermectin or if there is potential for a drug-drug interaction with ivermectin; - have chronic illnesses (e.g., ischemic heart disease, heart failure, documented cardiomyopathy, chronic kidney disease, chronic liver disease); - have received ivermectin in the last 7 days; are pregnant or lactating; - or have participated in any other clinical trial within the last month.