The baby named Amelka was delivered via caesarean section two weeks ago at the University Clinical Hospital in Wroclaw where the mother, who was unaware she had given birth, is now said to be recovering.
After beating leukemia the nine-year-old caught the killer virus. She has now been named a hero for triumphing over both.
Every Friday catch up on our editor’s top pick of news about Poland, including politics, business, life and culture. To receive your free email subscription, sign up today.