I had three great-great-great grand uncles who were Union soldiers from here in East Tennessee, who all died in Andersonville. Two died on the same day, and one shortly thereafter.
They were captured at the Battle of Rogersville, (just a short ways up the road north of Knoxville), not too long after the infamous "Siege of Knoxville" took place at Ft. Sanders, which has always been a prominent neighborhood in Knoxville.
At any rate, they all died of dysentery - the end result being they basically died of dehydration.
