Washington: Former US president George HW Bush has been hospitalised for at least seven days over a lingering cough, officials said on Thursday.

The 88-year-old Bush, who has been admitted to Houston's Methodist Hospital, has bronchitis but his condition is not considered life-threatening, a news agency reported citing the Houston Chronicle.

Bush served as the 41st US President from 1989 to 1993.His chief of staff Jean Becker said: "President Bush is in the hospital. We have kept this quiet out of respect for him."

Bush has been in and out of hospital, and was most recently admitted the day after Thanksgiving. He was visited there on Sunday by his son, former US president George W. Bush and daughter-in-law Laura Bush.

"His big problem is a chronic cough he can't get rid of, so he's back at Methodist," Becker said. "This is not a life-threatening illness."Becker said there were some earlier concerns that the cough would turn into pneumonia, but it has not. Bush is expected to be discharged this weekend, she added.


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