Infant Formula Botulism: Ongoing Health Issues for Affected Babies

WHO:

NBC News - Families of babies affected by the botulism outbreak in ByHeart baby formula.

WHAT:

NBC News - Some babies sickened by the botulism outbreak are still recovering months after the recall of ByHeart baby formula.

NBC News - The root cause of the contamination in ByHeart’s powdered formula has not been found.

NBC News - A separate recall by Nara Organics is currently under investigation.

WHERE:

NBC News - The outbreak and subsequent recall involved ByHeart baby formula, which is distributed in the United States.

WHEN:

NBC News - The recall of ByHeart baby formula occurred months prior to the current reporting.

WHY:

NBC News - The investigation into the contamination is ongoing, but the specific cause of the botulism outbreak has not yet been determined.

HOW:

NBC News - The method of contamination in the infant formula remains unclear, prompting further investigation into the production processes of both ByHeart and Nara Organics.

(UPDATED June 25, 2026 04:23 UTC)

Families of babies affected by the botulism outbreak linked to ByHeart baby formula are still seeing some of their little ones recover months after the recall. The investigation into the contamination continues, but the specific cause of the outbreak has not yet been determined, leaving the method of contamination unclear and prompting scrutiny of the production processes for both ByHeart and Nara Organics, which is also under investigation for a separate recall. As of now, the root cause of the contamination in ByHeart’s powdered formula remains elusive.