viral pathogen Herpes simplex virus type 1 2014-05-15T19:05:50Z A condition in which the main influencing factor is a neurotropic virus that is a member of the Herpesviridae family and that, once the infection becomes chronic, has the ability to cycle through recurring outbreak periods followed by periods of latency or dormancy in which the virus is inactive but still present in infected nerve cells. HSV1 causes primarily mouth, throat, face, eye, and central nervous system infections. HSV-1 Herpes simplex virus 1 XCO:0000451 experimental_condition_ontology jsmith