The full story says that the company and the FDA are working to identify the source of the contamination.

To date, 22 people have been affected.  Four have been admitted to the hospital. No deaths have been reported, this CNN story says.

CNN

“Federal public health officials are investigating a salmonella outbreak that has infected 22 people in 10 states, the Centers for Disease Control and Prevention announced Friday.

“The infections are linked to the consumption of raw alfalfa sprouts, the CDC said.

“California-based Caldwell Fresh Foods is recalling all alfalfa sprouts manufactured under three of its brands because they may be contaminated with salmonella, the company said Friday. Caldwell said its alfalfa sprouts have been associated with the outbreak.

“There have been no deaths reported from the outbreak, but four of those infected have been hospitalized, Caldwell Fresh Foods said in a statement Friday.”

Source: CNN, May 21, 2010