The Byheart Infant Formula botulism outbreak has sickened 31 babies as of November 19, 2025, according to the CDC, an increase of eight more patients since the last update was issued on November 14, 2025. All eight infants have been hospitalized, and two more states are added to the case count. The new states are Idaho and Maine. The case count by state is: Arizona (3), California (4), Idaho (1), Illinois (2), Kentucky (1), Maine (1), Michigan (1) Minnesota (2), North Carolina (2), New Jersey (1), Oregon (3), Pennsylvania (1), Rhode Island (1), Texas (6), and Washington (2). For 23 infants whose age was made available to public health officials, they range in age from 16 to 200 days. Illness onset dates range from August 9 to November 13, 2025 for 27 of these infants. All of the … [Read more...]