Yellow Fever and Dengue are also transmitted by mosquitos. I might be wrong, but don't think IVM has been found effictive against any virus. But, that's to be expected, right? It was developed to kill multi-cellular parasites and it does that extremely well.
It's difficult to search for IVM...
I'm sure that being related to someone who works for a pharmaceutical company is your proudest achievement in life. But, the failings of Big Pharma are pretty well known at this point.
I wouldn't consider the falconers club blog as peer-reviewed literature. You have to do better than that...