What Are Pathogens? | Health | Biology | FuseSchool

A pathogen is a microorganism that can cause disease. Pathogens may be viruses, bacteria, protists or fungi.

Examples of bacteria infections are cholera, typhoid, food poisoning and gonorrhoea. Examples of viral infections are the flu (influenza), measles, mumps, the common cold and AIDS. Some common fungal skin conditions are athletes foot and ringworm. Malaria is an example of a protist pathogen.

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Bacterial Disease | Health | Biology | FuseSchool

Did you know that it wasn’t until around 200 years ago that people knew what caused infectious diseases? Before that, they believed that one cause was ‘bad air’, and so they carried around bunches of sweet-smelling flowers to sweeten the scent of the air and prevent disease.

Thanks to the invention of the microscope, and the experiments carried out by scientists, we now know that infectious diseases are caused by pathogens such as viruses and bacteria.

In this video we’re going to look at how bacteria can cause disease in humans.

CONTENT
0:00 intro
0:06 history of bacterial diseases
0:27 causes of infectious diseases
0:39 what are bacteria?
0:55 salmonella food poisoning
1:29 gonorrhoea
2:13 tuberculosis (TB)
2:45 stomach ulcers
3:22 conclusion

CREDITS
Animation & Design: Reshenda Wakefield
Narration: Dale Bennett
Script: Gemma Young

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We cover the bacterial diseases Salmonella and Gonorrhoea. Learn their causes, symptoms and treatments.

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