Health on MSN: Herpes Simplex Virus 1 vs. Herpes Simplex Virus 2—Understanding the Difference MSN: Herpes simplex virus: Understanding its symptoms, outbreak causes, how it spreads and tips for managing the infection Herpes simplex virus (HSV) is a widespread viral infection that affects millions of people globally. It can occur at any age, and many individuals may carry the virus without showing symptoms, ...

Understanding the Context

Herpes simplex virus: Understanding its symptoms, outbreak causes, how it spreads and tips for managing the infection Overview Genital herpes is a common sexually transmitted infection (STI). The herpes simplex virus (HSV) causes genital herpes. Genital herpes can often be spread by skin-to-skin contact during sexual activity. Some people infected with the virus may have very mild symptoms or no symptoms.

Key Insights

They can still able to spread the virus. Other people have pain, itching and sores around the genitals ... Diagnosis Your health care provider can usually make a diagnosis of genital herpes based on a physical exam and a history of your sexual activity. To confirm a diagnosis, your provider will likely take a sample from an active sore. One or more tests of these samples are used to see if you have herpes simplex virus (HSV), infection and show whether the infection is HSV-1 or HSV-2.

Final Thoughts

Learn more about the causes, symptoms, treatment and prevention of this common lip sore caused by the herpes simplex virus type 1 (HSV-1). A photomicrograph image of herpes virus antibodies detected using immunofluorescent staining technique, 1977. Image courtesy CDC/Dr. Craig Lyerla. (Photo by Smith Collection/Gado/Getty Images) A ...