The Food and Drug Administration (FDA) posted its fifth recall notice on mushrooms within a week because they may be contaminated with bacteria that can lead to a life-threatening illness.  

In its latest notice, issued Wednesday, the FDA notified customers that all cases of Sun Hong Foods, Inc's Seafood Mushrooms have been recalled because they may be contaminated with listeria monocytogenes.

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"Consumers are warned not to consume even if it does not look or smell spoiled," according to the agency's notice. 

The recall was issued after California-based Sun Hong was notified by the state's public health department that samples of their product had tested positive for listeria monocytogenes, according to the FDA. 

However, four other companies, all based out of California, also issued recalls due to concerns over the potentially fatal bacteria. 

On Monday, the FDA issued an alert that Concord Farms recalled its enoki mushrooms because of a "possible health risk" associated with the fungi. 

All of Marquis Worldwide Specialty Inc.'s Organic Enoki Mushroom 200g packages and California Terra Garden Inc's 150g/5.3-ounce packages of Seafood Mushroom were also recalled for the same reason.  

Rainfield Marketing Group Inc. also recalled all cases of its 150g packages of its Enoki Mushrooms. 

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The FDA recall notices were posted one after another and cautioned consumers about the "serious and sometimes fatal infections" the organism can cause if ingested.   

Young children, frail or elderly people "and others with weakened immune systems" are more at risk for getting serious or sometimes fatal infections, according to the FDA. However, healthy individuals can still experience short-term symptoms. 

This can include high fever, severe headache, stiffness, nausea, abdominal pain and diarrhea, the agency said. It can also potentially cause miscarriages and stillbirths among pregnant women.  

To date, neither company has received any reports of adverse reactions in connection to the recalled mushrooms. However, all five companies are urging the customers to return the fungi to the place of purchase. 

Sun Hong's Seafood Mushrooms, which were packaged inside clear and green 150g packages, were distributed to California, Florida, Texas, Washington and Illinois. 

Concord Farms, which packed the fungi in black, yellow and transparent plastic packaging, said its products were distributed from "California to retail stores through produce distributors" but did not specify which states. 

OVER 130K POUNDS OF CHICKEN PRODUCTS RECALLED OVER POSSIBLE LISTERIA CONTAMINATION

Rainfield Marketing Group's Enoki Mushrooms, which comes in a 150g, clear plastic and orange packaging, as well as Marquis Worldwide Specialty's Enoki mushrooms, found in individual plastic packages, and California Terra Garden's Seafood Mushrooms, also found in plastic packaging, were distributed nationwide.