BiologyCode 9700

Infectious diseases

What this topic asks you to be able to do

  • state that infectious diseases arise from pathogens and can be passed between organisms
  • state the name and type of the pathogen that causes each disease: Vibrio cholerae, a bacterium, causes cholera; the protoctists Plasmodium falciparum, Plasmodium malariae, Plasmodium ovale and Plasmodium vivax cause malaria; the bacteria Mycobacterium tuberculosis and Mycobacterium bovis cause tuberculosis (TB); the human immunodeficiency virus (HIV) causes HIV/AIDS
  • explain the ways in which HIV, TB, malaria and cholera are transmitted
  • discuss the biological, social and economic considerations that must be taken into account when preventing and controlling cholera, malaria, TB and HIV