A salmonella outbreak that may be linked to cucumbers has sickened at least 68 people across 19 states, according to federal health officials. At least 18 people have required treatment at hospitals,

At least 68 people have fallen ill in the outbreak believed to be linked to cucumbers sold in the United States and Canada, the Centers for Disease Control and Prevention said.

Walmart, Wegmans and Albertsons stores have recalled cucumbers for possible contamination with salmonella. They were sold in more than half of states.