Some unknowingly passed infections on to their partners, who then also died. Victims and their families have spent decades fighting for compensation. Chloe hayward explains. Its known as the biggest Treatment Disaster in nhs history and, so far, we know 3,000 people have died in the uk from infected blood and infected Blood Products given by the nhs. 0verall, 30,000 victims have been identified and these fall into two main categories the people with rare genetic Blood Clotting Disorders and people who needed Blood Transfusions after surgery, for example. Lets start with this first group, the haemophiliacs. People with Blood Clotting Disorders need a special protein called factor viii or factor ix injected which helps their blood clot, but by the 1970s, the uk was really struggling to meet demand for these Blood Products and so they started to import from america. But because america pays for blood plasma, rather than it being donated forfree, it came from a lot of high risk individuals