James in a Jar

Today, about 17 percent of pregnant women in Australia need anti-D.

Most of it comes from fewer than 200 regular donors. Together, they help around 45,000 mothers and babies every year.

That's a lot to rest on so few arms.

So scientists are trying something new.

In a project nicknamed "James in a Jar," researchers at Lifeblood and the Walter and Eliza Hall Institute used the blood of James and other donors to recreate his antibody, and grow it in the lab.

The hope: a lab-made anti-D that could one day protect mothers and babies around the world.

Even now, James Harrison's blood is still at work.