Usually,Oral Herpes is caused by the Herpes Simplex Virus type 1 (HSV-1), and is characterized by sores (commonly called "cold sores" or "fever blisters") on or around the mouth.Some recently news has shown that four out of five Americans are infected with HSV-1, and has determined that outbreaks are usually triggered by stress, illnesses like colds and flu, excessive sun exposure, hormonal changes, and immune system deficiencies.
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