Infected for life: How the Herpes Simplex Virus Uses MicroRNA to Hide Out in Cells

... Researchers at the University of Pennsylvania School of Medicine have discovered part of the reason why cold sores, caused by a herpes virus, come back again and again. The new study points to a small RNA molecule, called a microRNA as the culprit that keeps the latent virus-infected cell alive. These findings could one day lead to a new way to fight the virus and offers the first target for intervention in the latent infection. ...