communicable disease
- Created by: shakirah miah
- Created on: 20-12-20 12:52
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- communicable disease
- pathogens and disease
- A pathogen is a microorganism that causes a disease. There are four main types of pathogen:
- viruses, fungi, bacteria and protist
- All types of pathogen have a simple life cycle. They infect a host, reproduce themselves or replicate if it is a virus,
- A pathogen is a microorganism that causes a disease. There are four main types of pathogen:
- preventing diseases
- Vaccinations introduce a small or weakened version of a pathogen into your body, and the immune system learns how to defend itself.
- Chemicals or UV light kill pathogens in unclean water.
- human defence system
- The first line of defence against infection stops the pathogens from entering your body.
- The skin covers almost all parts of your body to prevent infection from pathogens.
- health and diseases
- communicable, which are caused by pathogens and can be transferred from one person to another, or from one organism to another, eg in humans,
- these include measles, food poisoning and malaria
- bacteria diseases
- Not all bacteria are pathogens which cause disease. Many bacteria, like those found in the intestines, are useful.
- All bacteria are prokaryotes, and do not have a nucleus.
- protist diseases
- Protists are a group of microorganisms that have features that belong to animals, plants and fungi.
- pathogens and disease
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