XMRV: Study Shows Virus Can Cause ?Persistent Infection? in Monkeys

The study suggests that in these monkeys, at least, the virus can be difficult to detect in blood, even though it's taken root in the body.

Source: http://feedproxy.google.com/~r/wsj/health/feed/~3/Iae1yfOaJAw/

teeth hair weight loss weight gain