The assumption regarding vaccines related to autism is still widely circulating in the community today and is still being misunderstood. Regarding this assumption, the World Health Organization (WHO) again gave a firm statement.
Through the official WHO report on its official website, it was confirmed that the vaccine did not cause autism. This was conveyed by WHO after releasing the latest analysis conducted by the Global Advisory Committee on Vaccine Safety.
The analysis firmly states that there is no causal relationship between vaccines and autism. This means that it contradicts the anti-vaccine narrative which has strengthened in recent times.
"Today WHO published a new analysis that found, based on available evidence, there is no causal relationship between vaccines and autism," said WHO Director-General Tedros Adhanom Ghebreyesus, quoted from AFP, Friday, December 12, 2025.
In the analysis, the committee reviewed 31 studies in various countries over 15 years, including vaccine-related research containing thiomersal, preservatives to prevent bacterial and fungal contamination, as well as adjuvan aluminum.
Then it was concluded that there was no connection between autism and vaccines, including vaccines containing aluminum or thiomersal. WHO also confirmed that this latest analysis is the fourth review, following studies in 2002, 2004, and 2012, all of which have the same conclusion.
"Like all medical products, vaccines can indeed cause side effects and they continue to be monitored by WHO. However, autism is not a side effect of the vaccine," he said.
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WHO also emphasizes that vaccines are very beneficial for the global community. In the last 25 years, the death rate of children under the age of five has fallen by more than half, from about 11 million deaths per year to 4.8 million, whose decline was driven by the use of vaccines.
Meanwhile, WHO's statement regarding vaccines and autism comes amid a polemic in the United States, after the Centers for Disease Control and Prevention (CDC) revised the language on its official website, with a maration that is considered to weaken science regarding vaccine safety.
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