A GLOBAL initiative to stop hospital errors will focus on the old dictum "first, do no harm" by encouraging health care workers to clean up their acts, health officials said today. They said hospital employees all over the world should heed the advice attributed to the ancient Greek physician Hippocrates, and the best way to do that is improve hygiene habits. "Infection complicates the treatment and care of millions of patients worldwide every year," Sir Liam Donaldson, Chair of the World Alliance for Patient Safety, told a news conference in Washington. "As a result, some patients become more seriously ill...