Our DNA carries dozens of copies of Perron's virus, now called human
endogenous retrovirus W, or HERV - W, at specific addresses on chromosomes 6 and 7.
The virus, called human
endogenous retrovirus W (HERV - W), codes for a protein that, when activated, sets off an inflammatory cascade in the brain that leads to symptoms.
Of individuals with recent - onset schizophrenia, 29 % exhibited signs of a particular family of retroviruses known as Human
Endogenous Retrovirus W (HERV - W), compared with none of the control patients.