Merck developed Ivemectin in 1980. 3.5 billion doses have been given to humans.
Here’s the history of the drug:
https://rumble.com/vlpecw-the-story-of-ivermectin.html
“Do your homework.”
WTH? Do I really need to tell you my last line was tongue in cheek and declaring the absolute ridiculous statement by CDC (or was it FDA)?