Baby formula maker ByHeart recalled all its products nationwide Tuesday after some batches caused infant botulism, a rare but serious illness that can cause respiratory paralysis.

Fifteen cases have been reported in 12 states. None are in Connecticut, but the state Department of Public Health is advising parents to immediately stop using any ByHeart Whole Nutrition infant formula.

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"Infant botulism is a medical emergency. Most babies fully recover with prompt treatment, though hospitalization is typically required," Public Health Commissioner Manisha Juthani said.

"Babies' digestive systems are still developing and lack the protective intestinal bacteria that largely prevents issues in older children and adults. A

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