EnglishHerpes Simplex Virus
Herpes simplex viruses (HSV) are ubiquitous among humans and are classified type 1 or 2. Type 1 is generally associated with oral cold sores while type 2 tends to be genital herpes. Once acquired, the virus remains in the body for life. Type 1 (HSV-1) is associated with the lips, mouth, and face (cold sores or fever blisters). It is transmitted by contact with infected saliva. Type 2 (HSV-2) is usually sexually transmitted. Symptoms include genital ulcers or sores. Cross-infection may occur from oral–genital contact.
Recurrent outbreaks may be triggered by excess sunlight, fever, stress, acute illness, and medications or conditions that weaken the immune system.
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