With the current spinach/e. coli scare it's worth remembering that prepackaged spinach is used in fast food salads, for example, and should probably be avoided as part of the FDA spinach recall.
McDonald's has announced it has pulled all baby spinach from their menu items. California Pizza Kitchen normally uses spinach on one of it's pizzas; they're still serving the pizza, but are not using spinach.
more from Reuters.