title: What triggers recurrences of herpes simplex keratitis.
authors: M B
authors: MB
authors: Raizman
mesh_terms: D018259:Herpesvirus 1, Human / Q000254:growth & development*; D006801:Humans; D016849:Keratitis, Herpetic / Q000209:etiology* / Q000382:microbiology; D012008:Recurrence; D014775:Virus Activation