Overview
Any herpes simplex type 1 infectious disease that involves the lip. This virus usually responsible for cold sores (herpes labialis).
Any herpes simplex type 1 infectious disease that involves the lip. This virus usually responsible for cold sores (herpes labialis).
Any herpes simplex type 1 infectious disease that involves the lip. This virus usually responsible for cold sores (herpes labialis).
Content last reviewed: 2026-06