More potent strain of E. coli feared
(AP)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20060920/ap_on_he_me/tainted_spinach"><img src="http://d.yimg.com/us.yimg.com/p/ap/20060919/capt.e643cf183a0846eeafb546d3107cdefd.tainted_spinach_cams101.jpg?x=130&y=74&sig=8ut1Xai5l9xrqEUo8iw7Rw--" align="left" height="74" width="130" alt="Lettuce crops are see in Salinas, Calif. on Monday, Sept. 18, 2006. Grocers tried to lure shoppers with alternative greens, as a national recall of spinach because of an E. coli outbreak continues. The popularity of bagged salad greens has been a boom to farmers who are now suffering from the outbreak which has been traced to packaged spinach. (AP Photo/Marcio Jose Sanchez)" border="0" /></a>AP - Federal health officials are investigating whether a more potent strain of E. coli is behind an outbreak linked to fresh spinach that has sickened at least 131 people, half of whom have been hospitalized.</p><br clear="all"/>