Herpesviruses 6A and 7 (HHV-6A and HHV-7) — two of the nine known members of the Herpesviridae family that infect humans — are found in the brains of patients with Alzheimer’s disease at levels up to twice as high as in those without Alzheimer’s, according to a new study appearing in the journal Neuron. This is the first evidence that integration of herpesvirus genomes into human brain genomes may play a role in the etiology of Alzheimer’s...
