Aired Sunday May 12, 10:20pm - 12:00amon ITV1 London HD

Exposure

In Cold Blood

Examining the biggest treatment disaster in NHS history. In the 1970s, a new treatment for haemophilia known as Factor VIII was prescribed on the NHS. It infected more than 1,300 people with HIV, and more than 4,000 people with Hepatitis C. In the same week that the long public inquiry looking into this scandal re-opens, `In Cold Blood' offers a window into a tragedy.