我们人类的基因组有8%以上根本不是人类的，而是来自古老的病毒的（More than eight percent of the human genome is not human at all—it’s from viruses），因此“我”实际上是“我们（我和病毒们）”。而且它们还有可能被“唤醒”。

Ancient virus found hibernating in the human genome-and it might wake up

1. Non-Human DNA Discovered In Human Genome

   Opposing ViewsMar 23 03:01 PM

   A recent study revealed 19 new pieces of non-human DNA inside modern humans’genomes. The March 22 finding comes after researchers from Tufts and University of Michigan Medical School examined 2,500 people.

   Human DNA is not fully ' human': Study - IBN live

2. Our DNA less 'human' than scientists previously thought!

   IANS India Private Limited via Yahoo! Singapore NewsMar 23 01:22 AM

   New York, March 23 (IANS) A significant portion of what we think of as our " human" DNA actually came from viruses, and a new discovery suggests that our DNA is even lesshuman than scientists previously thought. Nineteen new pieces of non- human DNA -- left by viruses that first infected our ancestors hundreds of thousands of years ago -- have just been found, lurking between our own genes. In...

3. Scientists find ancient viral strands hiding in human DNA

   UPIMar 22 12:06 PM

   Brooks Hays ANN ARBOR, Mich., March 22 (UPI) -- Researchers have discovered 19 unique fragments and strands of ancient viral DNA in the genomes of modern humans.

   More ancient viruses lurk in our DNA than we tho... - EurekAlert!

   Matter: Study Finds Surprising Benefit of Viral ... - New York Times