- Babies who drank ByHeart formula got sick months before botulism outbreak, parents say AP News
- Botulism Bacteria Found in Infant Formula, ByHeart Confirms The New York Times
- ByHeart Updates Information Regarding Voluntary Recall of all Batches of ByHeart Whole Nutrition Infant Formula Cans and Packs Because of Possible Health Risk fda.gov
- Recalled baby formula linked to a botulism outbreak may still be in some stores NPR
- California Probing Baby Botulism Cases Prior to Current Outbreak Bloomberg.com