Croatian scientist Beata Halassy successfully treated her stage 3 breast cancer using lab-grown viruses, avoiding chemotherapy.

Halassy self-administered an experimental treatment usually reserved for patients with advanced or resistant cancers.

A University of Zagreb virologist treated her own recurring breast cancer by injecting laboratory-grown viruses into her tumor, sparking debate about self-experimentation in medical research. Beata Halassy discovered her stage 3 breast cancer in 2020 at age 49, recurring at the site of a previous ma...