31. Viruses that exhibit this behavior include many enveloped viruses such as HIV and Herpes simplex virus 32. This receptor was identified as a cellular mediator of herpes simplex virus ( HSV ) entry. 33. Ganciclovir has also been found to be an effective treatment for herpes simplex virus epithelial keratitis. 34. The gene-targeting approach uses a specially designed RNA enzyme to inhibit strains of the herpes simplex virus . 35. The company is seeking approval for its Forvade drug for AIDS patients with refractory herpes simplex virus . 36. Using 21HAC, researchers were able to insert a herpes simplex virus -thymidine kinase coding gene into tumor cells. 37. Researchers have also found a correlation between late-onset Alzheimer's and infection with herpes simplex virus type 1. 38. It causes the death of cells infected with HIV and preventing the replication of Herpes simplex virus . 39. _A history of herpes simplex virus . 40. It is the herpes simplex virus .