Masters in health science. Understanding that vaccines are simply given at similar times of multiple developmental milestones. So if a child is late on these milestones (often the case with autism as many of these milestones are social in nature) they are prone to blame it on the vaccine. In reality, it’s coincidence, not causation. Also, saying polio is now called guillan barre? Come the f**k on man. Polio is a virus, GBS is an autoimmune phenomena with no truly understood pathophysiology. Polio is verifiable with cell cultures or PCR. So someone with GBS would have negative poliovirus results.