Some health care workers and patients of the Seton Medical Center in Daly City are pushing forward in a campaign calling for action to protect jobs and preserve services with the impending sale of the hospital. Employees and union representatives have expressed some anxiety about their jobs since the Daughters of Charity of St. Vincent de Paul announced several months ago that it was seeking a buyer for Seton's parent organization, the Daughters of Charity Health System, a family of six California facilities.