http://www.npr.org/2015/04/23/401655783/cdc-blue-bell-listeria-outbreak-started-in-2010

Texas ice cream maker Blue Bell Creameries has recalled all its
products over Listeria concerns. The Centers for Disease Control and Prevention
says the outbreak has been going on for five years.

The ice cream company Blue Bell made a stunning announcement this week. The
Texas company recalled all of its products because of an outbreak of Listeria.
Ten people in four different states are known to have been infected. Three
people have died. And the CDC now has traced the infection back several years.
NPR's Wade Goodwyn reports.