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What are Communicable (infectious) diseases? A disease which can be spread from one person, animal or object to another.
What is a Pathogen? Micro-organisms that cause infectious disease. (eg bacteria, protists, fungi and viruses).
What are the 3 modes of pathogen transmission? Direct contact, water and air
What is bacteria? Prokaryotic cells. Some can cause disease by releasing toxins that damage cells.
What are protists? Eukaryotic cells. Some can cause disease.
What are fungi? Class of organisms that includes mushrooms. Some can cause disease.
What is a virus ? Smallest organism. They reproduce inside host cells damaging them and causing disease.
What are antibiotics? A group of chemicals which can kill bacteria (eg penicillin).
What are antiviral drugs? A group of chemical which can prevent viruses reproducing. Hard to develop safe ones.
What are fungicides A group of chemicals which kill fungi.
What are painkillers? A type of drug that treats pain symptoms but does not kill pathogens.
What are vaccines? Contains a small quantity of a dead or inactive pathogen.
Created by: chloehayes
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