Former prime minister Ariel Sharon was moved on Monday from Sheba Medical Center's intensive care unit back to his bed in the respiratory rehabilitation center after his condition improved. An infection had reduced the functioning of the 78-year-old Sharon, who has been on a deep coma since his second stroke on January 4. He was transferred to intensive care on Friday. Antibiotic treatment and other therapy fought the infection and strengthened his heart, a hospital spokesman said. For a Jerusalem Online video of events click here Sharon could have received the same treatment at Sheba's respiratory rehabilitation department, where he has been since the summer, but it was more convenient for him to be in intensive care, the hospital said on Friday. The last time Sharon, 78, was in intensive care was in August, when he was treated for an infection that affected his kidney function.