Listeria: 7 key questions answered

What do I need to know about Listeria? That's what people have wondered in light of recent outbreaks of Listeria infection (listeriosis), including a 2011 outbreak blamed on Colorado-grown cantaloupes that sickened 146 people across 28 states, and killed 30 people.

What are the symptoms of listeriosis? How is the infection treated? Keep reading for answers to seven common questions, as provided by the CDC...

Credit: CDC Public Health Image Library