The ByHeart formula infant botulism outbreak has ended with 48 sick, according to the CDC. This outbreak case count has been confusing from the beginning. In the last update issued on December 11, 2025, there were allegedly 51 babies sick. And the FDA update lists 28 sick. But the FDA numbers include 28 cases of confirmed botulism, 20 cases of probable botulism, and three cases of infants who were eventually diagnosed with another illness. The CDC counts all illnesses except those diagnosed with something else. The last update also included 19 states, but the state count hs been reduced t0 17. One thing remains true: all ByHeart infant formulas were recalled as a result of this outbreak. The final case count by state is: Arizona (5), California (12), Idaho (2), Illinois (2), … [Read more...]