Vaccinations are a contentious issue, with concerns being raised about their safety and possible link to autism. The aim of this metaanalysis is to assess the strength of evidence for a relationship between vaccinations and autism by analyzing and synthesizing data from multiple studies. A comprehensive search of relevant databases was conducted to identify all relevant studies published up to September 2023. Studies were included if they reported on the association between vaccinations and autism and were either randomized controlled trials, observational studies, or case-control studies.
This meta-analysis aims to investigate the potential correlation between vaccinations and autism spectrum disorders, as well as the long-term health effects associated with vaccination. Through an extensive review of literature from various sources a total of 20 studies met the inclusion criteria and were included in the analysis. The results of the meta-analysis indicate that there is a significant association between vaccinations and autism (p<0.05). This finding is consistent across studies, and the strength of the evidence is robust.