The PPC is essentially the party of Bernier right now - no PPC MP has ever been elected (though they did take home 5% of the popular vote this election). As such the personal actions of Bernier is really all we've got to go on - so I don't believe it's particularly irrelevant, though I won't dispute that it is quite vague and not at all definitive.
I was asking about anti-vaccine components of their platform.
Can you point me toward any?
Or were you just speculating?