Viruses are, however, very hard to classify as living or non-living, because they share lots of similarities with living organisms. But officially, all viruses are non-living, including the ebola virus. read more
Ebola is a virus - it is technically not a living thing since it contains no cells. A virus is simply a strand of genetic material surrounded by a capsid - a protein coat. Mad Cow disease is caused by something called a prion - or a mis-folded protein that affects brain and spinal cord tissue. read more