E. coli tests of romaine fields where investigators traced contaminated lettuce did not turn up outbreak strains, so the FDA will move to an in-depth “root-cause” investigation for three outbreaks.

Limena LLC recalled 1-lb. blocks of Salvadorean semisoft string cheese (quesillo cheese) for possible listeria contamination

Public health officials are investigating a listeria outbreak linked to hard-boiled eggs used in salads at restaurants and grocery stores.

As the FDA awaits final results from extensive E. coli tests of romaine lettuce farms in one California growing region, it says outbreak illnesses are slowing, though two separate outbreaks have popped up.

Health officials warned people not to eat romaine lettuce from Salinas, Calif., because it is likely the source of an E. coli outbreak.

Investigators announced an E. coli outbreak and a trace of romaine lettuce, prompting a recall of salad kits and bowls sold at many stores in 22 states.

Public health officials are investigating an outbreak of hepatitis A illnesses in three states that might be linked to fresh, conventional blackberries sold at Fresh Thyme Farmers Market grocery.