Figure 6From: Comparison of an immortalized human corneal epithelial cell line with Vero cells in the isolation of Herpes simplex virus-1 for the laboratory diagnosis of Herpes simplex keratitis HCE inoculated with a low viral load clinical specimen positive for HSV-1. Note the presence of very few infected cells showing apple green fluorescence. Indirect immunofluorescence assay, × 250.Back to article page