Infant-formula maker ByHeart has recalled all of its products in the U.S. after they were linked to a multistate botulism outbreak.A total of 15 infants with suspected or confirmed cases of botulism have been reported in a dozen states,

US infant-formula producer ByHeart has recalled all its products following an outbreak of botulism under investigation by federal health authorities.

Company officials said they enacted the unusual recall “in close collaboration” with the U.S. Food and Drug Administration “despite the fact that no unopened ByHeart product has tested positive” for t...