The use of the antiparasitic drug ivermectin could lead to “large reductions” in COVID-19 deaths and may have a “significant impact” on the pandemic globally, according to a recent pre-print review based on peer-reviewed studies. …researchers concluded with a moderate level of confidence that the drug reduced the risk of death in COVID-19 patients by an average of 62 percent, at a 95 percent confidence interval of 0.19–0.79, in a sample of 2,438 patients.