Even after 25 years of nursing in the outback, Denise found the situation in Darfur to be her most challenging career move.
Mairi supervises a feeding centre in a camp for 100,000 displaced people. She talks about child nutrition and health.
When Red Cross nurse Maree Dunn arrived in south Darfur, there was no health clinic to help children. So she set one up.
Penny runs a centre for severely malnourished children in Darfur. Read about the work she does.