When the body is given weakened/dead pathogenic material this helps build up an immune system towards the actual live infection. It prepares the body for the infection so that the person does not get sick.
Silk road trade route
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If caretakers are overwhelmed by caring for a person with disabilities they may maltreat them, their behavior is explained by: <span>Dependency -stress model</span><span>
Dependency -stress model is a concept that conveys that someone will fell an immense amount of stress of frustration if another person depend on them too much because it make them feel that they cannot live their own life
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