• Many Chinese children are adopted by Canadian couples and are raised in Canada.

Many Chinese children are adopted by Canadian couples and are raised in Canada. (Photo : Getty Images)

Local officials from Guizhou Province are looking for the relatives of a baby girl left on the steps of the police station 10 years ago.

The police gave her to a welfare house where a presumed birthday was given along with a name and a presumed age. She was left on the steps of the police station on May 6, 2007.

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The baby was then adopted by a Canadian couple, Greg Crowell, and Cathy Crowell, and named her Hosanna.

"We called her 'Hosanna', which is Hebrew for 'savior,'" Cathy Crowell said.

Hosanna was adopted by the Cromwell's despite knowing that she had beta thalassemia, a hereditary blood disorder where red blood cells can't carry oxygen. She was diagnosed at Nanfang Hospital.

Because of the rare disease, she must take injections to eliminate iron from her blood. Hosanna has to get transfusions every two to three weeks.

"Every night she needs to be given an injection. It is all very difficult for her," said Cathy Cromwell.

"Hosanna can survive with blood transfusions, but she will need them for her entire life," she added.

The rare blood disorder will only be solved if Hosanna gets a bone marrow transplant, which is only possible if they get a donor from a sibling.

The family went back to the welfare house but they weren't able to find Hosanna's biological parents. They posted their request online but they did not get any leads.

The Cromwell is hoping that Hosanna's condition becomes a China human interest news and make the parents come forward.

"We do not want to pressure them. They need our respect and we want them to come forward on their own. This is not easy for them," Cathy Crowell said.

Hosanna is now residing with her family in Calgary, Alberta.