Some of the operational deficiencies that helped trigger the massive shutdown of Abbott Nutrition's infant formula plant earlier this year have also been found at some other companies' factories, according to an ABC News investigation of some of the other formula makers that have stepped in to help fill empty American grocery shelves in the midst of the critical nationwide shortage.
The pathogen that prompted those concerns, Cronobacter sakazakii, can be widely found in the environment -- but in infants, it can be deadly.
