Comment by cyberax
No, it's just a lie. For example, vaccines _prevent_ SIDS: https://www.chop.edu/vaccine-education-center/vaccine-safety...
But wait, there's more: https://www.reuters.com/fact-check/missed-vaccinations-did-n...
Missing vaccines did not reduce the incidence of SIDS. This is as close to a clean experiment as possible to get.