ByHeart, a manufacturer of organic baby formula, recalled all of its products sold nationwide Tuesday, days after some batches were recalled in an expanding outbreak of infant botulism.

At least 15 babies in 12 states have been hospitalized, including one here in Washington, since August, with more cases pending, according to state and federal health officials. All of the infants were hospitalized after consuming ByHeart formula, officials said. No deaths have been reported.

The formula was sold online and through major retailers.

ByHeart officials expanded the voluntary recall from two lots announced Saturday to all products in consumers’ homes and in stores. That includes ByHeart Whole Nutrition Infant Formula and Anywhere Pack pouches of powdered formula. The company sells about

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