The Invisible Killer

A farming community in a remote part of the UK has been hit by a series of deaths and horrifying deformities among their cattle in the last few years. In Ireland, another farmer faces financial ruin after similar deaths and abnormalities at his farm. In both cases the farmers believe they have found the cause of their troubles. But are they right? Q.E.D. investigates, and uncovers a problem which could be affecting the health of us all.