The U.S. Food and Drug Administration and the Centers for Disease Control and Prevention are investigating a multistate outbreak of salmonella typhimurium infections linked to cucumbers, the agencies said on Monday.

The CDC and the FDA are warning consumers to check their counters and refrigerators for whole fresh American cucumbers

More than 65 people are sick with the illness so far. These are the signs and what you should do if you have the produce in your fridge.