Do Vaccines Cause Autism: A Comprehensive Look into the Debate

Vaccines are one of the most effective ways to prevent the spread of contagious diseases. However, there has been a growing controversy surrounding vaccines and autism. The debate started in the late 1990s when an article published in the British medical journal The Lancet claimed a link between the measles, mumps, and rubella (MMR) vaccine and autism.

The Controversial Study

The study was conducted by Andrew Wakefield, a British gastroenterologist, in 1998. Wakefield suggested that the MMR vaccine caused bowel disease which, in turn, led to autism. The study was based on a sample of only 12 children and lacked a control group, but it still received widespread attention in the media.

However, the study was later found to be fraudulent. In 2010, The Lancet retracted the article, stating that Wakefield had not disclosed his financial interests in a lawsuit he was planning to file against vaccine manufacturers. Additionally, a formal investigation found that Wakefield had manipulated data to support his theory.

Scientific Evidence

The overwhelming scientific consensus is that there is no link between vaccines and autism. Numerous studies, including large population-based ones, have found no association between the two.

One of the largest studies conducted was a 2019 study by a team of Danish researchers which reviewed over 600,000 children born between 1999 and 2010. They found no connection between the MMR vaccine and autism.

Another large study from the United States involved over 95,000 children and found no evidence of a link between the MMR vaccine and autism. The research was published in the Journal of the American Medical Association in 2015.

The scientific evidence overwhelmingly shows that vaccines do not cause autism. There are many factors that contribute to the development of autism, including genetics, environmental factors, and prenatal exposure to stress and inflammation.

Autism Spectrum Disorder

Autism spectrum disorder (ASD) is a developmental disorder that affects communication, social interaction, and behaviour. The symptoms of ASD vary in severity, with some individuals having mild symptoms and others experiencing more severe ones.

The exact cause of ASD is not yet fully understood, but it is believed to be a combination of genetic and environmental factors. There is no known cure, but there are therapies and interventions that can help individuals with ASD learn social and communication skills and manage their symptoms.

The Importance of Vaccines

Vaccines are a critical public health tool that have saved millions of lives. In Australia, vaccines are provided free of charge to children and young adults under the National Immunisation Program. Vaccines protect individuals from serious diseases like measles, mumps, rubella, polio, and whooping cough.

Australia has a high vaccination rate, with over 90% of children aged 1-4 being fully vaccinated. This has led to a significant reduction in the incidence of vaccine-preventable diseases. However, there is still work to be done to ensure that everyone is up-to-date with their vaccinations and protected from these diseases.

The Risks of Not Vaccinating

The risks of not vaccinating your child are real and can be severe. In addition to putting your own child at risk, failure to vaccinate also puts those around them at risk, including infants, the elderly, and individuals with weakened immune systems.

Unvaccinated individuals can become carriers of diseases and spread them to others who are more vulnerable. This can result in severe illness, hospitalisation, and even death.

The Bottom Line

The debate over vaccines and autism has been ongoing for over two decades. However, the scientific evidence overwhelmingly supports the fact that vaccines do not cause autism. ASD is a complex disorder that is believed to be caused by a combination of genetic and environmental factors.

Vaccines are a critical public health tool that has saved millions of lives. Failure to vaccinate not only puts your own child at risk but also those around them. Vaccines protect individuals from serious diseases and help prevent the spread of contagious illnesses.

If you have concerns about vaccinating your child, please talk to your healthcare provider. They can provide you with accurate and up-to-date information about vaccines and help you make an informed decision about your child’s health.


FAQs About “Do Vaccines Cause Autism”

1. Is there any scientific evidence to support the claim that vaccines cause autism?

No, there is no scientific evidence that supports the claim that vaccines cause autism. In fact, numerous studies have been conducted that have shown there is no causal link between vaccines and autism. The idea that vaccines cause autism originated from a discredited study, and the author has since had his medical license revoked.

2. Can vaccines cause any side effects?

Yes, vaccines can cause side effects, but they are typically mild and short-lived. Some common side effects include fever, soreness at the injection site, and redness or swelling. These side effects usually go away on their own within a few days. Serious side effects from vaccines are extremely rare.

3. Why is it important to vaccinate against diseases?

Vaccination is important to protect both individuals and the overall population from infectious diseases. When people are vaccinated, they become immune to certain diseases and are less likely to spread those diseases to others. This is especially important for individuals who are unable to get vaccinated, such as those with weakened immune systems. Vaccination has been instrumental in controlling and eradicating many diseases, such as smallpox and polio.


National Institute of Neurological Disorders and Stroke. (2021). Autism Spectrum Disorder: Research. Retrieved November 24, 2021, from

Centers for Disease Control and Prevention. (2021). Vaccines Do Not Cause Autism. Retrieved November 24, 2021, from

Taylor, L. E., Swerdfeger, A. L., & Eslick, G. D. (2014). Vaccines are not associated with autism: An evidence-based meta-analysis of case-control and cohort studies. Vaccine, 32(29), 3623-3629. doi: 10.1016/j.vaccine.2014.04.085