This is the Health and Lifestyle Report. Not many people consider a bacterium that makes millions of people sick … a friend. But scientist Roy Curtiss does. "Yeah, I'm always looking for new uses for a bug that most people think is an enemy -- it's my friend. And I would like to make it your friend -too." Roy Curtiss is a microbiologist at the Biodesign Institute at Arizona State University in Tempe, Arizona. _________________________这里是健康和生活方式报道. 很多人都不会把让成千上万的人生病的细菌当做朋友,但是科学家Roy Curtiss却这样做. "是的,我总是寻找大家经常认为是敌人的细菌的一些新用途,它是我的朋友.我也想让大家能和它做朋友." Roy Curtiss是亚利桑那州一家生物设计研究所的微生物学家.___________________________