Scientist treats her own breast cancer with viruses she grew in the lab. All you need to know about the treatment

Beata Halassy, an expert infectious disease researcher, treated her own stage 3 breast cancer by injecting the tumour with lab-grown viruses. Following this treatment, 50-year-old Beata Halassy has been cancer-free for four years. This self-administered experimental vaccine called oncolytic virotherapy (OVT) helped her treat the stage 3 breast cancer.