Reindeer | KUNC

Reindeer

Julien Chatelain / CC BY-SA 2.0

The question of where chronic wasting disease came from reopened in the spring of 2016.

Roy Andersen was monitoring reindeer in Norway. He’s a research technician with the Norwegian Institute for Nature Research. On a rare, sunny day, Andersen and his colleagues were doing what they often do in the spring: blasting across a snowy plateau, chasing a herd of about 500 wild reindeer.