“…During the initial infection, a lifelong latent infection of sacral ganglion neurons is established, reactivation of which causes recurrent genital disease that can also be painful [7]. In addition to the pain and discomfort associated with initial and recurrent infections, genital herpes causes substantial psychological morbidity [8,9], may increase the risk of acquiring human immunodeficiency virus infection [10,11], and can be spread to susceptible sex partners and to fetuses or newborn infants [12,13]. Despite the availability of effective antiviral drug therapy [2], the prevalence of genital herpes in the United States continues to increase [3], with the estimated direct costs of genital herpes now 1$200 million annually [14].…”