Viruses pose a challenge to the body’s immune system because they hide inside cells meaning it is harder for them to control the disease. It can easily spread from cell to cell and can be hard to control meaning we look to our immune system to help and to give our body the support it need to fight it off.
Bacteria attacks the immune system, taking over the immune system cells, turning them to bacteria. Essentially making the immune system cells attack each other and multiplying.
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