ByHeart baby formula from all lots may be contaminated with botulism bacteria, tests show

Source Chicago Tribune
Original Load Date Nov. 25, 2025, 2:01 p.m.
Last Updated Nov. 25, 2025, 2:01 p.m.
Original URL https://www.chicagotribune.com/2025/11/25/byheart-baby-formula-botulism/

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Tests of ByHeart infant formula tied to a botulism outbreak that has sickened dozens of babies showed that all of the company’s products may have been contaminated. Laboratory tests of 36 samples of formula from three different lots showed that five samples contained the type of bacteria that can l...