HEALTHY LIVING

Vaccine Tested In Fight Against Tainted Beef

03/18/2010 05:12 am ET | Updated Nov 17, 2011

Jason Timmerman coaxed a balky calf into a chute on his feedlot one recent afternoon and jabbed a needle into its neck. He was injecting the animal with a new vaccine to make it immune to a dangerous form of the E. coli bacteria.

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