Multistate Infant Botulism Outbreak Associated with Powdered Infant Formula

NEJM Evidence 2026

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Authors: Connie H. Chung, Jason R. Barash, Jacquelin L. Castonguay, Claire Penzel-McNamara, Katie Yen Lee, Jennifer S. Read, Kerry A. Padgett, Nir Dover, Aaron J. Judson, Liz Lamere, Ethel V. Taylor, Jennifer Rittenhouse Cope
+9 more Amanda R. Conrad, Rochelle Medford, Myra J. Brooks, Laura Whitlock, Janet K. Dykes, Carolina Lúquez, Julia M. Bracken, Steven M. Grube, Jessica M. Khouri
DOI: 10.1056/evidpha2600020
Cited by: 1
References: 5

Abstract

type A from an open container of ByHeart powdered infant formula associated with one infant with infant botulism. As of December 10, 2025, 51 suspected or confirmed infant botulism cases with exposure to ByHeart powdered infant formula had been identified across 19 states. All ByHeart powdered infant formula has been recalled nationwide.

Fields of Study & Subjects

Botulinum Toxin and Related Neurological Disorders Enterobacteriaceae and Cronobacter Research Dysphagia Assessment and Management

Publication details

Journal / source
NEJM Evidence
Publisher
Massachusetts Medical Society
Volume
5
Issue
4
Pages
EVIDpha2600020–EVIDpha2600020
Publication date
25 February 2026
Language
EN