Assessment criteria

1. To define the concept of health according to the WHO.
2. To define the concept of illness.
3. To define the concept of contagious illness.
4. To differentiate infectious diseases from non-infectious ones and to give examples of both types.
5. To know the mechanisms (direct or indirect) of transmission of the infectious diseases.
6. To know the pathogenic agents that cause infectious diseases and to give examples of illnesses produced by them (three for bacteria and virus and two for protozoa and fungi).
7. To explain the difference between endemic, epidemic and pandemic.
8. To know the different types of white blood cell and the mechanism they use to defend us.
9. To explain all the stages in the defence system:
   1. External barriers.
   2. Phagocytosis.
   3. Inflammation.
   4. Specific defence system (lymphocytes-antibodies).
10. To explain how vaccines work.
11. To know the main treatments for each type of illness: antibiotics, antifungals, antivirals, specific drugs and transplants (autograft, homografts and xenografts).
12. To explain what a resistant bacteria is and how people contribute to create these superbugs.
13. To know what these scientists discovered about infectious diseases: Anton Van Leeuwenhoek, Edward Jenner, Louis Pasteur, Robert Koch and Alexander Fleming.