An aid worker whose rescue of an emaciated two-year-old boy made headlines around the world has spoken about how she gave up everything in Denmark to help “the witch children of Nigeria”.

Anja Ringgren Lovén was pictured offering water and biscuits to a small and very thin little boy called Hope, who had been abandoned by his family because of local superstitions about witchcraft.

Ms Lovén took Hope in, and he is now one of 34 children being cared for at the African Children’s Aid Education and Development Foundation (ACAEDF) which she founded with her husband David.

Anja Ringgren Loven gives water to Hope, 2, after finding the emaciated boy wandering the streets (Anja Ringgren Lovén/Facebook)

Anja Ringgren Loven carries Hope to the hospital (Anja Ringgren Lovén/Facebook)

Since that first shocking image of Ms Lovén and Hope was shared around the world, raising more than $1 million in the process, she has posted an update to Facebook saying the boy is now doing well.

“Hope is getting so much better,” she wrote. “Already gaining a lot of weight and looking so much more healthy. Now we only need him to talk. But that will come naturally when he is out of the hospital and starting his life among all our children. Children become stronger together.”

Speaking in an interview with the Huffington Post, Ms Lovén said she first saw the problems created by superstition in rural Nigeria when she travelled there alone three years ago and met children “who had been tortured and beaten almost to death because they were accused of being witches and therefore left alone on the street”.

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“What I saw was so barbaric and terrible and it left a deep impression on me,” she said.

“Being rejected by your own family must be the loneliest feeling a child can experience, and I don't believe that anyone can imagine how that must feel like.”

The reputation of ACAEDF has grown to the point where, when concerned members of the community saw Hope living on the street, they phoned Ms Lovén up to see if she could help.

She told Huff Po her team arranged a “rescue mission” immediately when they heard how young the child was – but the issue will not be solved in the long term unless there is better education “in the fight against superstition”.