Have you ever heard of the word pathogen and don't know what it stands for?
Well a pathogen is the cause of a disease, it is a bacterial, virus or other microorganism.
It is the more complex name for a disease. Chickenpox the scientific name for the pathogen is Varicella-zoster virus (VZV).
Varicella-zoster virus is highly contagious, it is spread through direct touching or can be through air. Most people have had chickenpox by there adult hood, and that is a benefit as it can be more serve if you catch it as an adult. If you are in a room for more than 15 minutes with someone infected, or have contact with them it is very likely you get chickenpox.
Since the vacation came out in 1995 against Varicella-zoster virus there has been more than 12 million injected.
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