The 41st president of the United States was put intensive care at a Texas hospital to battle a stubborn fever before Christmas. He first entered the hospital last month with a severe cough.
George W. Bush, left, is shown with his father, George H.W. Bush in this photo from 1968.
George H. W. Bush raises his right hand as he is sworn into office as the 41st president of the United States by Chief Justice William Rehnquist outside the west front of the Capitol on January 20, 1989.
This June 25, 1990 photo shows then President George H. W. Bush greeting then African National Congress Deputy President Nelson Mandela at the White House.
This October 15, 1992 photo shows then President George H. W. Bush, talking with independent candidate Ross Perot as Democratic candidate Bill Clinton stands aside at the end of their second presidential debate in Richmond, Virginia.