Third Candy Maker Recalls Caramel Apples for Listeria

A variety of caramel apples
Shelly Greer | iStock / Getty Images Plus | Getty Images
A variety of caramel apples

A third candy maker has recalled caramel apples that could be contaminated with the food poisoning bacteria Listeria, the Food and Drug Administration said Tuesday.

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The FDA said St. Louis-based Merb's Candies was recalling the treats because they'd bought apples from a California-based supplier that might be the source for an outbreak of Listeria that's made 30 people sick in 10 states and killed five. California Snack Foods and Missouri-based Happy Apple have also recalled caramel apples.

Read MoreCDC advises Americans to stay away from caramel apples

Listeria can cause a nasty stomach ache but it can kill the very young, very old and people with weakened immune systems. It can also cause miscarriages and stillbirths. The Centers for Disease Control and Prevention estimates that Listeria makes 1,600 people sick every year in the U.S. and kills 260 of them.