Oral herpes can be caused by: (Select all that apply)

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Oral herpes, also known as cold sores or fever blisters, is primarily caused by herpes simplex virus type 1 (HHV-1) or herpes simplex virus type 2 (HHV-2), both of which infect the mucous membranes in and around the mouth. HHV-3 is the varicella-zoster virus, which causes chickenpox and shingles, while HHV-4 and HHV-5 are known as the Epstein-Barr virus and cytomegalovirus, respectively, and are not typically associated with oral herpes.

Oral Herpes Can Be Caused By: (Select All That Apply)