Bacterial and viral diseases in humans: TB, cholera, Helicobacter and Ebola
I can describe examples of common bacterial and viral diseases in humans, how they are spread, and ways to reduce the spread.
Bacterial and viral diseases in humans: TB, cholera, Helicobacter and Ebola
I can describe examples of common bacterial and viral diseases in humans, how they are spread, and ways to reduce the spread.
Lesson details
Key learning points
- Some, but not all, bacteria are pathogens that can cause communicable diseases in humans.
- Pathogenic bacteria produce toxins that damage living tissue and cause disease.
- Cholera, TB and Helicobacter stomach ulcers as example; how they are spread, and how the spread can be reduced.
- Viruses invade cells to reproduce where they cause damage to cells.
- Ebola as an example of a viral disease; how it is spread, and how the spread can be reduced.
Common misconception
Pupils may believe that viruses are alive.
Viruses are not cells. They do not carry out many of the processes of living organisms such as replication and respiration.
Keywords
Bacteria - single celled prokaryotes
Pathogen - a microorganism that causes disease
Communicable disease - a disease that can be spread from one organism to another
Toxin - a poison made by bacteria
Virus - an infectious agent
Equipment
None required.
Content guidance
- Depiction or discussion of sensitive content
- Depiction or discussion of violence or suffering
Supervision
Adult supervision required
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
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Starter quiz
6 Questions
Can be passed from person to person.
Cannot be spread from person.
A microorganism that causes disease.
An infectious agent.
A single celled prokaryote.
Exit quiz
6 Questions
Contaminated body fluids.
Contaminated food and water.
Mucus droplets from coughing.
