Viruses reproduce, inside body cells only, Bacteria make, Toxins (poisons) making us ill., Antibiotics, Kill bacteria inside our bodies, Penicillin, First antibiotic discovered, Pathogen, A microorganism which causes an infectious disease, Hand-washing, Used to prevent spread of pathogens (Semmelweis), Antitoxins, Made by white blood cells to neutralise toxins, Antigens, On surface of pathogens. Trigger an immune response, Antibodies, Made by white white blood cells. They bind to antigens and destroy pathogens, Ingest pathogens, Some white blood cells do this to destroy pathogens, Painkillers, Used to relieve symptoms/pain. Do not kill pathogens, Resistant strain, Type of bacteria unaffected by antibiotics (eg MRSA), Vaccine, Contains weak/dead pathogen or its antigens

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