But there was a caveat: only 19 per cent of the viruses matched anything on databases of known viruses. (newscientist.com)
The DNA of the world's largest known virus contains a surprising collection of genes previously thought to exist only in bacteria and other living cells. (sciencemag.org)
Its genome is twice as big as that of any other known virus and bigger than that of many bacteria. (discovermagazine.com)