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Infection + Response
| Question | Answer |
|---|---|
| Communicable (Infectious) Disease | A Disease Which Can Be Spread From One Person, Animal Or Object To Another. |
| Pathogen | Micro-organisms that cause infectious disease. (eg bacteria, protists, fungi and viruses). |
| Modes of pathogen transmission | Direct contact, water and air |
| Bacteria | Prokaryotic cells. Some can cause disease by releasing toxins that damage cells. |
| Protists | Eukaryotic cells. Some can cause disease. |
| Fungi | Class of organisms that includes mushrooms. Some can cause disease. |
| Virus | Smallest organism. They reproduce inside host cells damaging them and causing disease. |
| Antibiotics | A group of chemicals which can kill bacteria (eg penicillin). |
| Antiviral drugs | A group of chemical which can prevent viruses reproducing. Hard to develop safe ones. |
| Fungicides | A group of chemicals which kill fungi. |
| Painkillers | A type of drug that treats pain symptoms but does not kill pathogens. |
| Vaccine | Contains a small quantity of a dead or inactive pathogen. |