Food-safety attorney Bill Marler, who represents several families affected by the illnesses, said more than 50 babies nationwide have been sickened so far, with clusters reported in Texas, California and Arizona. His update was published this week on MarlerBlog, a site run by his firm that tracks foodborne illness cases.

Utah border are growing. In South Carolina, more than 250 people, including students from nine area elementary, middle and high schools are in quarantine.