The Immune System
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Pathogenic organisms use our bodies to replicate, grow and survive. Their activity on and within us, and how our bodies respond to this, results in the signs and symptoms of disease. To protect ourselves from the myriad of possible threats, we have a system of defences, the immune system. This compromises an incredibly complex interplay of chemicals and cells that interact to isolate, destroy and remove potential threats.
- Ramsay M, editor. Immunisation against infectious disease. London: Public Health England; 2017.Google Scholar