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Santorum's ailing daughter taken to hospital

NBC's Domenico Montanaro reports on Rick Santorum's daughter being taken to the hospital and the state of his presidential campaign.

Rick Santorum's daughter, Bella, afflicted with a chromosomal disorder, was taken to the hospital for the second time during this campaign. Santorum is home in Virginia for the Easter holiday.

"Rick and his wife Karen have taken their daughter Bella to the hospital," Santorum Communications Director Hogan Gidley said in a statement. "The family requests prayers and privacy as Bella works her way to recovery."

The Santorums have medical equipment in their Virginia home and and a nurse on call that can tend to Bella. Because of these accommodations, Bella only needs to be taken to the hospital when her condition is very serious, a person familiar with the situation told NBC News.

This is the second time during the campaign that his 3-year-old with Trisomy 18 has needed to be taken to a hospital. Santorum canceled events in late January after Bella was rushed to a Virginia hospital when she developed pneumonia in both lungs.

The Santorums prefer to take Bella to Children's Hospital of Philadelphia, but the severity of the January incident caused the family to rush to a hospital closer to their Virginia home.

It is unclear at this time which hospital she has been admitted to.