Scientists claim cancer-fighting breakthrough

AL Jazeera Americas

Researchers say genetically engineered virus targets tumours without harming healthy tissue. Last Modified: 02 Sep 2011 05:55 Watch video http://english.aljazeera.net/news/americas/2011/09/20119243511340842.html

Canadian scientists say they have developed a virus that can attack cancerous tumours without harming the rest of a patient's body. The team at Ottawa's Hospital Research Institute hope the breakthrough could provide a new and effective weapon in the fight against the disease. Al Jazeera's Tarek Bazley reports.