What causes the recurrence of herpes infections?

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Presence of the virus in the oral mucosal tissueDormant virus residing in the nerve ganglia serving the affected regionVirus lying latent within the skin that supplies the areaNone of these options

Explanation

Recurrent herpes arises because the virus remains dormant in the nerve ganglia that innervate the affected area. Upon reactivation, it causes symptoms to reappear. The virus is not latent in the skin or oral mucosa itself.