Cronobacter sakazakii Infections in Two Infants Linked to Powdered Infant Formula and Breast Pump Equipment — United States, 2021 and 2022

Abstract

What is already known about this topic? Infections caused by Cronobacter sakazakii are rare but can cause severe illness and death in infants. What is added by this report? Whole genome sequencing analysis was used to link one case of Cronobacter sakazakii infection in a full-term infant to an opened can of powdered infant formula, and another unrelated fatal case in a premature infant to contaminated breast pump equipment. What are the implications for public health practice? Increased awareness of the widespread presence of Cronobacter in the environment, along with promotion of safe preparation and storage of powdered infant formula, and careful cleaning and sanitization of breast pump equipment, could prevent potentially devastating infections.