Immune cell which kills most cancers found by accident by British scientists in major breakthrough

https://uk.news.yahoo.com/immune-cell-kills-most-cancers-160000581.html

Immune cell which kills most cancers discovered by accident by British scientists in major breakthrough

A new type of immune cell which kills most cancers has been discovered by accident by British scientists, in a finding which could herald a major breakthrough in treatment. Researchers at Cardiff University were analysing blood from a bank in Wales, looking for immune cells that could fight bacteria, when they found an entirely new type of T-cell.