Ivermectin has been used in humans.Ivermectin has been used in millions upon millions of humans.
Ivermectin, ‘Wonder drug’ from Japan: the human use perspective
Discovered in the late-1970s, the pioneering drug ivermectin, a dihydro derivative of avermectin—originating solely from a single microorganism isolated at the Kitasato Intitute, Tokyo, Japan from Japanese soil—has had an immeasurably ...www.ncbi.nlm.nih.gov
What it does for CV19? I have no idea other than reading about it.
There is no scientific evidence that Ivermectin is effective in treating Covid illness.
The fact that some friend took it and got better is not evidence.
We know what is effective in treating the illness.
Even better if you get vaccinated as the science proves that it is the unvaccinated that become sick and end up in the hospital.