After the purchase, a 10-day-old infant died from a rare bacterial infection, CNN affiliate KYTV reported. Authorities ran tests to determine if the death came from the formula, the water to make the formula or any other factor, said Mead Johnson Nutrition, the company that makes Enfamil. "We are highly confident in the safety and quality of our products – and the rigorous testing we put them through," said Chris Perille, a Mead Johnson Nutrition spokesman.[Source CNN]