how pathogens spread

• what are pathogens?


  pathogens are micro-organisms that cause a disease.
• name some pathogens:

  bacteria, viruses, protists or fungi.
• how do pathogens spread?

  • coughing, sneezing
  • and taling
• name bacterial diseases:


  • cholera
  • tuberculosis (TB)
  • chlamydia
• what type of pathogen is cholera?

  bacteria
• how does cholera spread?

  cholera is spread by dirty water or contaminated food.
• what are the symptoms of cholera?

  severe diarrhoea
• ways to reduce or prevent its spread (cholera)

  • boil water to kill bacteria before drinking
  • wash hands thoroughly after using the toilet to prevent spread by touch.
  • antibiotics to kill bacteria
• what type of pathogen is TB (tuberculosis)

  bacteria
• how does TB spread?

  • when someone coughs or sneezes.
• symptoms of TB:


  • tiredness
  • loss appetite
  • coughing up blood specked mucus
  • fever and chills
  • weight loss
  • night sweats
• ways to reduce or prevent TB

  • washing hands after sneezing or coughing
  • antibiotics
  • vaccination
• what type of pathogen is malaria?

  fungi
• what type of pathogen is chalara ash dieback?

  fungi/fungal
• what type of pathogen is HIV?

  virus
• what type of pathogen is chlamydia?

  bacteria