Key Takeaways

At least 31 babies became ill with botulism after being fed contaminated ByHeart formula

Multiple families have filed lawsuits over the recalled product

ByHeart confirmed finding botulism bacteria in some formula samples

WEDNESDAY, Nov. 26, 2025 (HealthDay News) — Several families have filed lawsuits against infant formula maker ByHeart , claiming its contaminated formula caused their babies to develop botulism, a rare but dangerous illness.

The legal action comes as federal investigators continue looking into the outbreak and a separate class action lawsuit continues.

So far, the U.S. Food and Drug Administration (FDA) says 31 infants in 15 states have had suspected or confirmed botulism after consuming the formula.

All of the babies were hospitalized. No deaths h

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