Twenty-six people have been sickened, with nine of them being hospitalized, due to a salmonella outbreak linked to cucumbers sold across the country. Now some cucumbers are being recalled.

U.S. health officials are investigating a new outbreak of salmonella illnesses tied to a Florida grower whose tainted cucumbers were linked to more than 550 illnesses last year.

"Children younger than five, the elderly, and people with weakened immune systems are more likely to have severe infections," the FDA said.