As health officials investigate more than 30 cases of infant botulism linked to ByHeart baby formula since August, parents who say their children were sickened with the same illness months before the current outbreak are demanding answers, too.

What You Need To Know

At least five families say their babies were treated for infant botulism after consuming ByHeart formula months before a current outbreak was detected

More than 30 babies have been treated for the rare and life-threatening disease in an outbreak that started in August

But parents have reported that babies who drank the formula may have been sickened as early as December 2024

Federal health officials are aware of earlier cases but have not included them or expanded the definition of the outbreak

ByHeart recalled all of

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