Hospitals are opening drive-thrus and drive-up tent clinics to screen and treat a swelling tide of swine flu patients. The goal is to keep coughing, feverish people out of regular emergency rooms, where they can infect heart attack victims and other very sick patients. Jim Bentley, policy chief at the American Hospital Association, told the Associated Press many hospitals are trying novel ways to care for more people than their emergency rooms can handle, especially children.