One of the authors of the 2015 paper[0] on Marek's disease that gave way to the "questioning the dogma" crowd to refuse to vaccinate had to write an article[1] to explain some of what I just said and more.
Since you popped an argumentum ab auctoritate (without even giving a name?), I'd drop that he obviously also has a PhD, and an h-index of 88 which is actually remarkable.