CDC and FDA: Deaths in listeria outbreak linked to frozen supplement shakes rise to 14

The decease toll has risen successful a multistate listeria outbreak linked to frozen supplement shakes, according to the Food and Drug Administration.

The summation successful deaths from the outbreak comes astir 3 months aft Lyons Magnus, a nutrient work manufacture supplier headquartered successful Fresno, California, recalled 4-ounce cartons of Lyons ReadyCare and Sysco Imperial Frozen Supplemental Shakes for imaginable hazard of listeria contamination. The products were produced by Prairie Farms Dairy, Inc. in Fort Wayne, Indiana.

Lyons Magnus distributed the products, nether the Lyons ReadyCare and Sysco Imperial marque names, throughout the U.S., chiefly to semipermanent attraction facilities. The products were not sold astatine retail stores and nary of the shakes should beryllium disposable connected the market, the FDA said.

The FDA and the U.S. Centers for Disease Control and Prevention had identified 38 radical who were sickened by listeria poisoning and 12 radical who died crossed 21 states, the agencies said successful February 2025. Of the 38 radical sickened, 37 were hospitalized.

On Friday, May 16, The CDC and FDA accrued the fig of deaths to 14 and the fig of those sickened to 42 (41 were hospitalized). The outbreak probe has ended, the agencies said.

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Listeria outbreak probe began successful 2018

The CDC began investigating an outbreak of illnesses among residents successful semipermanent attraction facilities and nursing homes successful 2018 – with continued probe of cases successful 2021 and 2023 – but could not find capable grounds to place a nutrient culprit.

When six caller illnesses were reported successful October 2024, the CDC reopened the investigation. In February 2025, the frozen shakes were identified arsenic a imaginable cause, and the CDC took samples from Prairie Farms, which were recovered to incorporate the outbreak strain of Listeria monocytogenes.

Which states had listeria cases linked to frozen shakes?

These are the 21 states the FDA and CDC reported having known listeria outbreaks related to this recall:

• Alabama

• California

• Colorado

• Connecticut

• Florida

• Illinois

• Indiana

• Maryland

• Michigan

• Minnesota

• Missouri

• Nevada

• New York

• North Carolina

• Ohio

• Oklahoma

• Pennsylvania

• Tennessee

• Texas

• Washington

• West Virginia

What is listeriosis or listeria poisoning?

Listeriosis, oregon listeria poisoning, is a foodborne bacterial corruption astir commonly caused by the bacterium Listeria monocytogenes.

About 1,600 radical get sick and 260 dice each twelvemonth from listeriosis, according to the CDC. Most radical tin beryllium infected with listeria and not go earnestly ill. But infections during gestation tin pb to miscarriage, stillbirth, premature delivery, oregon life-threatening corruption of the newborn, says the U.S. Department of Agriculture.

Listeriosis tin besides pb to origin decease successful radical implicit the property of 65 oregon those with weakened immune systems.

What are the symptoms of listeria poisoning?

Signs and symptoms of listeriosis tin look arsenic soon arsenic hours aft eating contaminated nutrient and arsenic agelong arsenic weeks later, the USDA says. People successful the higher-risk categories who acquisition flu-like symptoms wrong 2 months aft eating contaminated nutrient should question aesculapian attraction and archer their wellness attraction provider.

Among the symptoms:

• Fever

• Fatigue

• Muscle aches

• Headache

• Stiff neck

• Confusion

• Loss of balance

• Convulsions

• Diarrhea

• Other gastrointestinal symptoms

Mike Snider is simply a newsman connected USA TODAY’s Trending team. You tin travel him connected Threads, Bluesky, X and email him astatine mikegsnider  &  @mikegsnider.bsky.social  &  @mikesnider & msnider@usatoday.com

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This nonfiction primitively appeared connected USA TODAY: Listeria outbreak: FDA and CDC rise decease toll successful frozen shingle recall