As most tomato growers can tell you, it was hot peppers and not their crop that sickened more than 1,500 people across 43 states in 2008.

Now a study appearing in the New England Journal of Medicine about the Salmonella Saintpaul outbreak analyzes what happened, how tomatoes were initially suspected and how hot peppers were eventually found to be the culprit.

"The results of multiple investigations indicate that jalapeño peppers were the major vehicle for transmission, and serrano peppers were also a vehicle," the article stated.

Read the complete article in The Journal of New England Medicine.