Yes. (There are a lot of different viruses in the herpes virus family, including the ones that cause shingles and chicken pox. However, cold sores are caused by thatherpes virus, the one that causes, well, herpes.) Cold sores are Hepes Simp
The oral form of herpes is what causes cold sores and their occurrence is quite common. Unlike canker sores that develop on the inside of the mouth, herpes cold sores appear on the external areas around the mouth such as the lips, chin, che… Source:http://www.ehow.com/about_5117937_herpes-cold-sore.html
Yes cold sores are herpes 1 and they can be contagious, you can even get genital herpes(type 1) from someone with a cold sore on their mouth ( with sexual contact of course!) There isnt non-contagious and contagious cold sores, all forms of herpes can be spread, but some people do not get the virus and some people do! Some people have the virus stored in their body yet dont know it because they dont have outbreaks! Stress can trigger cold sores! As far as the question of immunity goes, not sure, but i think it can go away or at least not pop its head up
Oral herpes, the visible symptoms of which are colloquially called cold sores or Genital herpes, known simply as herpes, is the second most common form of
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