Listeria outbreak

Six people were hospitalized earlier this year for listeriosis, three of whom died. Two of those who survived the infection said they had milkshakes from Frugals in Tacoma, Wash., before getting sick.

Citing potential listeria contamination, CRF Frozen Foods has voluntarily recalled fruit and vegetable products under 42 brands that are sold nationwide and in Canada.

The FDA issued a massive recall of frozen fruits and vegetables this week. Here's what you need to know about the nasty bug that's causing all the problems.