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It is not typical for either HSV to affect the torso. However, when there is an HSV infection at any location, the virus will shed during recurrences starting with the onset of symptoms and continuing until the sores have crusted over. If there is uncertainty of whether HSV is the cause of any sores, it would be appropriate to perform a herpes culture of the skin, which is most accurate early in the course of each recurrence. There also are periods of shedding when there are no symptoms, but it is impossible to know when asymptomatic shedding is occurring.
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