This misinformation, promoted by NPR, needs to stop. Lives are on the line.
Scientists who developed ivermectin won the Nobel Prize in Physiology and Medicine in 2015 for its use in humans. Here are some historical statistics on it's use in humans:
https://clincalc.com/DrugStats/Drugs/Ivermectin
Please learn the facts about this medicine. Here's a good summary that explains a bit about the politically partisan folks intentionally talking about the horse formulation of ivermectin, which some people have apparently tried to use:
https://www.washingtonexaminer.com/news/ivermectin-explained...
Again, ivermectin is used in people. Some say it's one of the tools that helped India with respect to the Delta variant of SARS-CoV-2.