E. coli in salad greens has many sources
(AP)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20060918/ap_on_he_me/tainted_spinach_mystery"><img src="http://d.yimg.com/us.yimg.com/p/ap/20060915/capt.55d4eb623e3243b4944ad7683f9abf97.tainted_spinach_fx105.jpg?x=85&y=130&sig=cQCcAwK_tmWeCaTmEj9l8g--" align="left" height="130" width="85" alt="A sign informing customers that fresh spinach has been removed is shown as produce worker Pete Kettell stocks packaged salad mixes at Mollie Stone's Tower Market in San Francisco, Friday, Sept. 15, 2006. With at least one dead and dozens sickened across 10 states, health officials focused on California as the likely source of spinach contaminated by E. coli as grocers cleared the vegetable from their shelves. (AP Photo/Jeff Chiu)" border="0" /></a>AP - On its way to supermarket shelves, bagged spinach passes from field to packing plant to store, with several opportunities along the journey for it to become contaminated with deadly E. coli bacteria.</p><br clear="all"/>