Gene editing ‘boosts’ cancer-killing cells

Cancer scientists have genetically modified the immune system to help it attack tumours in mice. The immune system is the body's own defence against infection and cancer, but tumours develop ways of stopping the onslaught. The University College London team manipulated the DNA of immune cells to allow them to keep up the fight. Experts [...]

Zika virus ‘scarier than thought’ says US

The Zika virus is "scarier" than first thought and its impact on the US could be greater than predicted, public health officials have admitted. A wider range of birth defects has been linked to the virus, said Dr Anne Schuchat of the US Centers for Disease Control and Prevention (CDC). And the mosquitoes that carry [...]