A man has captured the attention of the internet after using artificial intelligence to design a cancer vaccine that successfully treated his dog, according to reports on March 17, 2026.
The Australian entrepreneur, Paul Conyngham, turned to AI after his dog, Rosie, was diagnosed with mast cell carcinoma, a common cancer in dogs. Rather than accept the prognosis, Conyngham leveraged his expertise in machine learning to create a personalized therapeutic vaccine for Rosie, a story that quickly gained traction online.
The process began with using ChatGPT to explore potential solutions for Rosie’s cancer. The final vaccine design, however, was largely driven by the application Grok. “The final mRNA vaccine composition – which achieved a medical miracle by reducing the size of the advanced tumor by 75% – was specifically designed by Grok,” Conyngham explained.
The complex process involved a comprehensive genetic analysis costing $3,000 to compare Rosie’s healthy DNA with that of the tumor. This data was then used with the tool AlphaFold to identify mutated proteins. Youm7 reports that Conyngham adopted Rosie from an animal shelter in 2019, and she is a mix of Staffy and Shar-Pei breeds.
Conyngham’s story highlights the growing role of AI in complex medical fields. The development of personalized treatments, like the vaccine created for Rosie, represents a potential shift in how cancers and other diseases are addressed, offering hope for more effective and targeted therapies. Al Arabiya and Nile TV both covered the story.