HOW TO PREVENT A CRONOBACTER SAKAZAKII INFECTION The CDC recommends the following steps for preventing an Cronobacter infection: Use hot water to make baby milk from infant formula powder—Water should reach a heat of 158°F (70°C) Choose an alternative to a powdered form of baby milk. Liquid formula is usually sterile. Follow the manufacturer’s instructions for preparing baby milk from powdered formula Throw out prepared formula if you don’t use it within 24 hours of preparing it Limit “hang time” for continuous feeding via tube to four hours.