Jo owes his life to countless generous blood donors. After being diagnosed with bladder cancer at age two, he needed red cells, plasma and platelets to survive.

Mika needs Intragam, made from plasma, every few weeks for his blood disorder. He calls it his 'super powers' because after his treatment he's strong enough to walk.

After a serious car accident, Jacob needed over 36 litres of blood to survive.

Now, he is alive and skydiving. As a way of saying 'thank you' to the donors who saved his life, Jacob is a dedicated blood donor.

Rosanne is in remission from leukaemia thanks to just a handful of special blood donors. Her rare blood type meant less than five donors in Australia could donate red cells and platelets to help save her life.

Rosanne is now a busy young woman who loves art and is studying photography.