Bacterial and viral diseases in humans: Salmonella and measles
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: Salmonella and measles
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 can produce toxins that damage living tissue and cause disease.
- Salmonella food poisoning as an example of a bacterial disease, how it is spread, and how the spread can be reduced.
- Viruses invade cells to reproduce where they cause damage to cells.
- Measles as an example of a viral disease, how it is spread, and how the spread can be reduced.
Common misconception
Pupils may think that viruses are alive.
Viruses do not carry out many of the life processes required for living organisms such as respiration and reproduction.
Keywords
Pathogen - A pathogen is a microorganism that causes disease.
Virus - A virus is an infectious agent.
Bacteria - Bacteria is a single celled prokaryote.
Communicable disease - A communicable disease is a disease that can be spread from one organism to another.
Toxin - A toxin is a poison made by bacteria.
Content guidance
- Depiction or discussion of sensitive content
Supervision
Adult supervision recommended
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 micro-organism that causes disease.
An infectious agent.
A single cell prokaryote.
Exit quiz
6 Questions
is spread by coughing and sneezing through mucus droplets.
is spread by consuming contaminated food and water.
