And, the misinformation surrounding the link to autism that turned out to be fabricated by a scientist who just wanted to be famous. Or, that time a company 'accidentally' sent the hpv vaccines to South America that included the highly undesirable side effect of sterilization that had already caused the vaccine to be banned from use state-side. Or, that time we weaponized the distribution of vaccines in Pakistan to find Bin Laden more quickly.
Note: I'm not a vaccine denier or avoider, but I think we need to be honest with ourselves with what the actual challenges are and why they exist.