The U.S. Food and Drug Administration (FDA) is planning to widen its search in the salmonella outbreak investigation by including other produce items on its list of suspects.

The decision to include other fresh produce commonly consumed with tomatoes comes as the FDA is under growing pressure to step up efforts to trace the source of the contamination. The salmonella outbreak has sickened at least 869 people, including 107 who have been hospitalized, in 36 states and Washington, D.C

The total illness toll in the Salmonella outbreak has reached more than 756 and the government says it is still clueless about the source of outbreak. The U.S. Food and Drug Administration (FDA) said in a statement that no deaths have been attributed to the illness.

The U.S. Centres for Disease Control and Prevention (CDC) said people in 34 states and the District of Columbia have been infected with a rare strain of bacteria known as Salmonella Saintpaul

Tomatoes will be back on the menu at McDonalds and various other restaurants in the United States and Canada.

After a widespread outbreak of salmonella-tainted tomatoes many restaurants pulled the vegetable from their menus. But on Saturday, McDonalds Corporation announced that it would begin serving sliced tomatoes on its sandwiches again

The U.S. Food and Drug Administration still hasn't announced the source of salmonella-tainted tomatoes that have sickened 228 people in 23 states.

Although Florida has reported cases of salmonella outbreak, the FDA has declared tomatoes grown in Florida are safe and free from salmonella

While the U.S. Food and Drug Administration has still not identified the source of salmonella-tainted tomatoes, the illness toll has jumped to 228 in 23 states, federal inspectors said Thursday.

At the start of the week, 167 cases of illness had been reported in 17 states. States where new cases have been reported are Florida, Georgia, Missouri, New York, Tennessee and Vermont