a mother who had suffered from smallpox in her childhood is not taking care of a child who is suffering from chickenpox.
what are the chances of her mother having chicken pox. explain.
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Due to the reason behind that when the virus entered on your body thebmn this virus always present at some time so this virus never want you exist on your body so that a lot of vaccine not used in this case and not live in over exploitation place and provide a lot of immunity.
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