The spokesman for the Bush family, Jim McGrath, released this statement on Wednesday:
The president is alert and conversing with medical staff, and is surrounded by family.
Following a series of setbacks including a persistent fever, President Bush was admitted to the intensive care unit at Methodist Hospital on Sunday where he remains in guarded condition.
Doctors at Methodist continue to be cautiously optimistic about the current course of treatment.
More top news
Magician Richard Jones has won Britain's Got Talent 2016 after wowing the public with his amazing magic acts.
A medical tribunal found Dr Mark Bonar posed a "potential future risk of harm to patients".
After a lively start to the long weekend with torrential, thundery downpours - a drier night.