@CNN: An engineered version of poliovirus improved the overall survival rate of patients with a lethal form of brain cancer in a clinical trial https://t.co/1DQ0SuROGh https://t.co/ea98yYcBRw

@CNN: An engineered version of poliovirus improved the overall survival rate of patients with a lethal form of brain cancer in a clinical trial https://t.co/1DQ0SuROGh https://t.co/ea98yYcBRw