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What causes cold sores?

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Cold sores are brought on by the herpes virus.
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Are cold sores caused by herpes?

  a cold sore is a form of herpes. you must never have oral sex when you have one or you have a very good chance of contracting genital herpes. unfortunately , yes!! they

Can sperm cause cold sores?

Cold sores are caused by herpes simplex virus. It is possible to get oral herpes from someone's genitals or fluid that comes into contact with genital mucous membranes (i.e. s

What are cold sores caused by?

Cold sores are caused by the herpes virus (HSV-Type 1).

What causes cold sores chickenpox and other diseases?

Cold sores and chickenpox are caused by viruses. Other diseases can  be cause by viruses as well but also bacteria.

Is a cold sore caused by a virus?

Cold sores are caused by a virus HSV-type 1. Yes oral herpes is a viral infection.

What pathogens cause cold sores?

Herpes simplex type 1 virus is normally responsible for cold sores.

What causes a cold sore and what is the process?

cold sores are a form of herpes... sexually transmitted, but sex doesnt necessarily have to be involved. it could be kissing. You need a better answer than I can provide for t

What causes a cold sore on the eye?

Cold sores are caused by a virus called oral herpes. They can occur any where on or around the mouth and on the face. They commonly occur on the lips or around the mouth. Cold
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What causes cold sores in humans?

Cold sores are caused by the herpes simplex virus. Most cases involve the type 1 strain, HSV-1, though HSV-2 is sometimes responsible. HSV-2 also causes genital warts. The