DO NOT EAT ROMAINE LETTUCE. According to The CDC it doesn't matter where it came from, you should toss out any romaine lettuce
The Virginian-Pilot says:
ALERT: The CDC told consumers to throw away any romaine lettuce they may already have purchased.
Restaurants should not serve it, stores should not sell it, and people should not buy it, no matter where or when the lettuce was grown.