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HOUSTON (CBSDFW.COM) – Former President George H.W. Bush will remain at Houston Methodist Hospital Thursday evening after he was diagnosed with a mild case of pneumonia, according to a family spokesman.

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Bush was admitted to the hospital Friday, April 14 for observation due to a persistent cough that prevented him from getting proper rest.

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According to a statement Wednesday, the former president was in high spirits and remained in the hospital until he could regain his strength.

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Bush and his wife Barbara were previously admitted to the hospital in January due to pneumonia.