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Suspect tomatoes traced to Florida and Mexico

Investigators looking for the source of a salmonella outbreak linked to tomatoes will focus on farms in Mexico and Florida say federal health authorities.

The reported advance in the investigation came as the toll mounted, with 552 people identified as having contracted the strain of Salmonella Saintpaul since April in 32 states and the District of Columbia. It is one of the biggest outbreaks of tomato-caused illness in history, officials said.

Red Plum/Red Roma tomatoes implicated in outbreak

The outbreak began April 10, and the latest case was reported June 10. At least 53 hospitalizations have been reported.

The FDA has completed the traceback for some of the tomatoes associated with the salmonella outbreak. The agency has been able to trace the pathway of some tomatoes from the point of purchase (e.g. supermarket) or consumption (e.g. restaurant) to each point on the distribution chain down to certain farms in Mexico and Florida. The FDA wouldn't say where in Florida the hunt is centering.

The FDA already had said that central and southern Florida and parts of Mexico were suspects because they supplied the vast majority of tomatoes sold when the outbreak began in April. In contrast, tomatoes currently being harvested in north Florida have been cleared as safe to eat.

Now working to narrow the investigation, the agency is sending teams of investigators to both Mexico and Florida this weekend to conduct joint inspections of the farms and other critical points on the supply chain where the tomatoes may have become contaminated.

Round red tomato implicated in outbreak

The contamination could have occurred in a packing shed, warehouse, supplier chain or distribution center.

The FDA investigators will conduct joint inspections with regulators in Mexico and Florida at the farms and other distribution points. Meanwhile, the FDA will continue to collect samples of tomatoes and conduct traceback activities.

To further narrow the investigation, the FDA is working with the state of Texas to traceback a cluster of illnesses recently found by the state of Texas. We are hopeful that this will provide additional information to bring the agency closer to the source of the contamination.

Update on the Outbreak

June 20, 2008: At this time, FDA recommends consuming raw red plum, raw red Roma, or raw red round tomatoes only if grown and harvested from the following areas that HAVE NOT BEEN ASSOCIATED WITH THE OUTBREAK:

Raw red plum, red Roma, and red round tomatoes, harvested from one of the sources that FDA has identified below are NOT associated with the outbreak and are acceptable to eat. Cherry tomatoes, grape tomatoes, tomatoes sold with the vine still attached, from all sources, and tomatoes grown at home are also not linked to the outbreak and can be eaten.

Florida (counties of: Jackson, Gadsden, Leon, Jefferson, Madison, Suwannee, Hamilton, Hillsborough, Polk, Manatee, Hardee, DeSoto, Sarasota, Highlands, Pasco, Sumter, Citrus, Hernando, Charlotte)*
* Shipments of tomatoes harvested in these counties are acceptable with a certificate issued by the Florida Department of Agriculture and Consumer Services.

Consumers who are unsure of where the tomatoes are from that they have in their home are encouraged to contact the store or place of purchase for that information. If consumers are unable to determine the source of the tomatoes, they should not be eaten.
Consumers should also be aware that raw tomatoes are often used in the preparation of fresh salsa, guacamole, and pico de gallo, are part of fillings for tortillas, and are used in other dishes.
Types of tomatoes not linked to any illnesses are cherry tomatoes, grape tomatoes, and tomatoes with the vine still attached.