The number 5 outbreak of 2025 is the Byheart infant formula botulism outbreak that is still ongoing. There are at least 51 infants in 19 states who have been sickened in this outbreak; all have been hospitalized. The case count by state is: Arizona (5), California (12), Idaho (2), Illinois (2), Kentucky (1), Massachusetts (2), Maine (1), Michigan (1) Minnesota (3), North Carolina (2), New Jersey (1), Ohio (1), Oregon (4), Pennsylvania (1), Rhode Island (1), Texas (8), Virginia (1), Washington (2), and Wisconsin (1). The infants range in age from 16 to 264 days. Illness onset dates range from December 24, 2023 to December 1, 2025. All of the infants were treated with BabyBIG®, the FDA-approved treatment for this infection developed by the California Department of Health. The FDA … [Read more...]
Outbreak #6 of 2025: Deadly Lyons and Sysco Frozen Shakes
The top 10 outbreaks of 2025 continues with number six: the deadly Lyons and Sysco frozen shakes Listeria monocytogenes outbreak that sickened 42 people in 21 states and killed 14. Forty one people were hospitalized. The outbreak was declared over on May 16, 2025. The case count by state was: Alabama (1), California (4), Colorado (1), Connecticut (2), Florida (2), Illinois (5), Indiana (3), Maryland (1), Michigan (2), Minnesota (1), Missouri (1), Nevada (1), New York (3), North Carolina (2), Ohio (1), Oklahoma (1), Pennsylvania (1), Tennessee (2), Texas (6), Washington (1), and West Virginia (1). The patient age range was from 43 to 101 years. Illness onset dates ranged from August 17, 2018 to March 13, 2025. A total of 14 deaths were reported. Those patients lived in ten states: … [Read more...]
Top 10 2025 Outbreaks: Number 7 Deadly FreshRealm Listeria
Our top 10 list of 2025 outbreaks continues with number 7: the deadly FreshRealm Listeria monocytogenes outbreak that has sickened at least 27 people in 18 states and killed 6. This outbreak investigation has not been updated since October 30, 2025. The case count by state is: California (3), Hawaii (2), Florida (1), Illinois (1), Indiana (1), Louisiana (2), Michigan (2), Minnesota (1), Missouri (1), North Carolina (1), Nevada (1), Ohio (1), Oregon (3), South Carolina (1), Texas (3), Utah (1), and Washington (1). There are 17 states listed, not 18 as the CDC is claiming. We don’t know what is causing this discrepancy. The people who died lived in Hawaii, Oregon, Illinois, Michigan, Texas, and Utah. One pregnancy-associated illness caused a fetal loss. Many products have been … [Read more...]
Top 10 Outbreaks: Number 9 is Metabolic Meals Salmonella
Continuing our countdown of the Top 10 Outbreaks of 2025, number 9 is the Metabolic Meals Salmonella outbreak that sickened at least 21 people in 13 states, according to the Centers For Disease Control and Prevention (CDC). The case count by state was: Arkansas (1), California (3), Connecticut (1), Georgia (2), Illinois (2), Minnesota (3), Missouri (3), Mississippi (1), New York (1), Pennsylvania (1), Texas (1), Washington (1), and Wisconsin (1). The patient age range is from 0 to 96 years. Illness onset dates range from July 24, 2025 to October 3, 2025. Of the 15 people who gave information to public health investigators, 13 said they ate a Metabolic Meals menu item before they got sick. Eight people have been hospitalized out of 19 who were interviewed, for a hospitalization … [Read more...]
ByHeart Infant Botulism Outbreak Has Sickened 51 Babies
The ByHeart infant botulism outbreak has now sickened 51 babies in 19 states, according to the CDC. All of the patients have been hospitalized. That is an increase of 12 new cases, 12 new hospitalizations, and one new state since the last update was issued a week ago. The new state is Ohio. The case count by state is: Arizona (5), California (12), Idaho (2), Illinois (2), Kentucky (1), Massachusetts (2), Maine (1), Michigan (1) Minnesota (3), North Carolina (2), New Jersey (1), Ohio (1), Oregon (4), Pennsylvania (1), Rhode Island (1), Texas (8), Virginia (1), Washington (2), and Wisconsin (1). The infants range in age from 16 to 264 days. Illness onset dates range from December 24, 2023 to December 1, 2025. All of the infants were hospitalized and treated with BabyBIG®, the … [Read more...]
ByHeart Formula Botulism Outbreak Sickens Two More Infants
The ByHeart formula botulism outbreak has sickened two more infants, bringing the total of sick babies to 39, according to the CDC. That is an increase from 37 sick since the last update was issued on November 26, 2025. And one more state is included: Virginia. The case count by state is: Arizona (3), California (5), Idaho (1), Illinois (2), Kentucky (1), Massachusetts (2), Maine (1), Michigan (1) Minnesota (2), North Carolina (2), New Jersey (1), Oregon (4), Pennsylvania (1), Rhode Island (1), Texas (8), Virginia (1), Washington (2), and Wisconsin (1). For 38 infants whose age was made available to public health officials, they range in age from 16 to 264 days. Illness onset dates range from August 9 to November 19, 2025 for 38 of these infants. All of the infants were hospitalized … [Read more...]
ByHeart Formula Botulism Outbreak Case Count Up to 37 Infants
The ByHeart formula botulism outbreak case count has now sickened 37 infants in 17 states, according to the Centers for Disease Control and Prevention (CDC). That's an increase of six new patients, six new hospitalizations, and two new states since the last update was issued on November 20, 2025. The new states are Massachusetts and Wisconsin. The case count by state is: Arizona (3), California (5), Idaho (1), Illinois (2), Kentucky (1), Massachusetts (1), Maine (1), Michigan (1) Minnesota (2), North Carolina (2), New Jersey (1), Oregon (3), Pennsylvania (1), Rhode Island (1), Texas (8), Washington (2), and Wisconsin (1). For 35 infants whose age was made available to public health officials, they range in age from 16 to 264 days. Illness onset dates range from August 9 to November … [Read more...]
Country Eggs Salmonella Outbreak Ends With 105 Sick
The Country Eggs Salmonella outbreak has ended with 105 people sick in 14 states and 19 hospitalizations. That is an increase of 10 more patients and one more hospitalization since the last update was published on August 28, 2025. The case count by state is: Arizona (1), California (82), Florida (1), Georgia (1), Hawaii (1), Iowa (1), Minnesota (4), North Carolina (2), Nebraska (1), New Mexico (1), Nevada (4), New York (2), Pennsylvania (1), and Washington (3). Illness onset dates range from January 7, 2025 to August 14, 2025. The patient age range is from 1 to 91 years. Of the 82 people who gave information about their health to public officials, 19 have been hospitalized. Patients were interviewed by public health officials. Of the 42 people interviewed viewed, 38, or 90%, … [Read more...]
Byheart Infant Formula Botulism Outbreak Has Sickened 31
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...]
ByHeart Infant Botulism Outbreak Case Count Surges to 23
The ByHeart infant botulism outbreak case count has surged to 23 babies sick, according to the CDC, an increase of eight more illnesses since the last update was issued three days ago. One more state, Michigan, has been added to the investigation. The case count by state is: Arizona (3), California (3), Illinois (2), Kentucky (1), Michigan (1) Minnesota (2), North Carolina (2), New Jersey (1), Oregon (2), Pennsylvania (1), Rhode Island (1), Texas (3), and Washington (1). For 22 infants whose age is available, they range in age from 16 to 200 days. Illness onset dates range from August 9 to November 11, 2025. All of the infants were hospitalized and treated with BabyBIG®, the FDA-approved treatment for this infection developed by the California Department of Health. Infant … [Read more...]
