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), … Read more
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 … Read more
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), … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
The ByHeart Infant Formula botulism outbreak has now sickened 15 babies in 12 states, according to the Centers for Disease Control and Prevention (CDC). That is an increase of two more patients in two more states since the last update was issued three days ago. The new states are Kentucky and New Jersey. The case … Read more
A possible ByHeart infant formula botulism outbreak has sickened 13 babies, according to the Center for Disease Control and Prevention (CDC). All 13 infants have been hospitalized. Two lots of the company’s infant formula have been recalled. The formula was sold online and nationwide at the retail level. The case count of babies with suspected … Read more
The FreshRealm fettuccine Listeria outbreak has now sickened 27 patents and hospitalized 25, and six people are dead. That’s an increase of seven more patients, six new hospitalizations, two new deaths, and three new states since the last update was issued on September 26, 2025. The outbreak was announced on June 18, 2025. The case … Read more