This may lead to a simple question of second order effects. If vaccination leads to an immune response, it is possible that it is the foundational cause of much auto immune disease but also could be p...
@El Guirri possibly similar to what you have found, here is a meta-analysis showing no association across 140+ studies. Like you mention there are a number of shortcomings. For example, the review doesn’t examine experimental or genetic vaccines. https://doi.org/10.3390/vaccines9080821
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