Federal health officials on Wednesday expanded an outbreak of infant botulism tied to recalled ByHeart baby formula to include all illnesses reported since the company began production in March 2022.

Cases of botulism tied to ByHeart baby formula have doubled since the company expanded its recall of the products early this month, according to the U.S. Food and Drug Administration. There are now at ...

Infant botulism is a rare but treatable neurological condition caused by Clostridium botulinum spores growing inside a baby’s intestines. A nationwide ByHeart infant formula recall in November 2025 ...

More than three dozen babies have been sickened in an infant botulism outbreak tied to contaminated formula, federal health officials say. The Food and Drug Administration on Wednesday reported 37 ...

Here’s what to know about the outbreak and infant botulism.

Nearly 40 babies have been sickened in an infant botulism outbreak tied to contaminated formula, federal health officials say. The Food and Drug Administration on Wednesday reported 39 cases of ...