Herpes is caused by herpes simplex virus or HSV infection.
There are two types of HSV infection. HSV - 1 usually cause oral herpes, commonly referred to as cold sores, and HSV - 2 cause genital herpes.
Between the two, however, there are mixed, HSV - 2 cause oral herpes cause genital herpes, and HSV - 1 BC provincial doctor Jason an epidemiologist at the centers for disease control, Dr Wong said.
Although condom use to reduce the risk of infection, virus is transmitted by skin contact with the skin, even if there is no sore, but it can't eliminate the risk of infection.
Wong said when someone infected with the virus exists in most of the time dormant nerve.
Occasionally, the virus becomes active - usually triggered by stress - and to move to the skin surface, where it reproduce itself, Wong said.
This can lead to skin pain pain, he said, but sometimes a person have no symptoms. This makes it is difficult to estimate the prevalence of herpes infection, he said.
According to 2009 to 2011, Canadian health survey data collected from 14 to 59, 13.6% of canadians - or one 7 - with antibodies against HSV - 2. However, 94% of testing positive for people don't know their place.
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