U.S. expands warning to cover all fresh spinach Sep 16, 2006 — By Joel Rothstein WASHINGTON (Reuters) - Consumers should avoid all fresh spinach, regardless of whether it is pre-packaged, a chief U.S. food safety official warned on Saturday, saying the number of E. coli illnesses had passed 100. "We need to get a clear message to consumers," said Dr. David Acheson, the U.S. Food and Drug Administration's director of food safety and security. "Some consumers may not be aware that spinach that may be available to them may have been pre-packaged," he said referring to loose spinach sold in...