By Annette Pinder 

For Autism Awareness Month, few voices resonate as powerfully as Dr. Peter Hotez’s—a physician-scientist, vaccine expert, and father of a daughter with autism. In his deeply personal book, Vaccines Did Not Cause Rachel’s Autism, Hotez blends science with lived experience to address one of the most persistent and harmful myths in public health. 

Hotez’s daughter, Rachel, was diagnosed with autism when she was a toddler. Like many parents, he and his wife experienced confusion, grief, and the challenge of managing therapies, education, and long-term care. But unlike most parents, Hotez also brought decades of scientific expertise to the question that still troubles many families: What causes autism? His answer is clear and unequivocal—vaccines did not cause Rachel’s autism. 

In the book, Hotez explains that extensive research has found no credible link between vaccines and autism. He describes how this myth gained traction after a now-debunked study and has persisted despite overwhelming scientific evidence to the contrary. As both a father and a scientist, he expresses concern that misinformation not only misleads parents but also puts children at risk by lowering vaccination rates. 

Importantly, Hotez stresses that autism is a complex neurodevelopmental disorder rooted in genetics and early brain development—not caused by parenting choices or routine childhood immunizations. By sharing Rachel’s story, he humanizes autism, emphasizing both the challenges and the deep love and resilience within families. He also speaks openly about the emotional experience of parenting a child with autism. From communication challenges to concerns about adulthood and independence, Hotez highlights the need for more societal support, acceptance, and services for individuals on the spectrum and their caregivers. 

At the same time, the book acts as a call to action. Hotez encourages healthcare providers, educators, and communities to fight misinformation with compassion and facts. He supports increased research funding, broader access to therapies, and policies that assist families throughout their lives.      

For readers, especially during Autism Awareness Month, his message is both comforting and empowering: parents are not to blame, vaccines are safe and vital, and children with autism deserve understanding, opportunities, and inclusion. By blending science and personal stories, Hotez provides something rare—a trustworthy, heartfelt guide for families wanting clarity in a space often filled with fear. His story reminds us that listening to evidence—and to each other—is one of the most powerful ways to support the autism community.  

Prof. Peter Hotez, MD, PhD, DSc (hon), FAAP, FASTMH, is Professor of Pediatrics and Molecular Virology and Microbiology at Baylor College of Medicine, where he is also Co-Director of the Texas Children’s Hospital Center for Vaccine Development, and Dean of the National School of Tropical Medicine. He has authored 6 books, including Vaccines Did Not Cause Rachel’s Autism, Preventing the Next Pandemic, and The Deadly Rise of Anti-Science, and co-authored Science Under Siege. Learn more about Dr. Hotez, including his thoughts on autism at https://peterhotez.org. You can purchase Vaccines Did Not Cause Rachel’s Autism at Amazon. See an interview with Dr. Hotez on Your Hometown Health Connection on April 22 and 25 on WBBZ-meTV.