More than 14,000 adult men and women were surveyed from May 2006 to April 2007, for the Foodborne Disease Active Surveillance Network (FoodNet), to determine their eating habits, including high risk foods such as undercooked meat and eggs.

• “食源性疾病监测网”（FoodNet）共对14000多名成年男女的饮食习惯进行了调查，其中包括未煮熟的肉和鸡蛋等高风险食品。该调查从2006年5月持续至去年4月。