The whistleblower situation is an issue. It is not substantial cause for concern about the body of data demonstrating vaccine safety/efficacy. If you're interested, here's a thorough breakdown of the situation: https://sciencebasedmedicine.org/what-the-heck-happened-to-t...

There are no good studies on ivermectin indicating anything like 62% effectiveness on any metric. The fact that he would present such a study to his audience indicates he is either: not equipped to interpret the studies, or deliberately spreading misinformation.