The Food and Drug Administration has closed an investigation into a listeria outbreak that killed one person and sickened 10 in several western states, health officials announced Thursday.

Various tuna products have been pulled from store shelves in Texas, Oklahoma, Arkansas and Louisiana because of potential listeria contamination. The U.S. Food and Drug Administration announced Monday the voluntary recall of 10 different prepared tuna meals by supplier Reser's Fine Food,

The Food Safety Authority of Ireland (FSAI) is investigating what it describes as an "extensive outbreak" of the bacterial infection, which has been linked to one death and identified nine confirmed cases. Hundreds of ready-made products have been removed from supermarket shelves in what has been described as a "full precautionary recall".

Albertsons, Randalls and Tom Thumb locations across Arkansas, Louisiana, Oklahoma and Texas are recalling tuna salad products from Reser’s Fine Foods.

Not only should you throw the product away, but you're going to want to clean and sanitize any containers or surfaces it may have touched.

Products from Tesco Finest, The Happy Pear, SuperValu Signature Taste, and Centra Freshly Prepared were among the wide range of ready made meals recalled for possible presence of listeria

Two Food Safety Authority (FSAI) prohibition orders were first issued due to potential ­concerns around listeria contamination in two Ballymaguire Foods ­products last week and at the end of June.

Amid a precautionary food recall of around 200 ready-to-heat meals linked to an extensive outbreak of listeria, here is a look at what the bacteria is and what its symptoms are.