Common Infections

• What type of pathogen is cholera caused by?

  Bacteria
• What type of pathogen causes HIV/AIDS?

  Virus
• What can large numbers of pathogens cause?

  Illness in the host
• What type of pathogen is tuberculosis (TB)?

  Bacteria
• How do pathogens reproduce?

  They reproduce rapidly inside the host
• What type of pathogen causes Ebola?

  Virus
• What is the size comparison of bacteria to viruses?

  Bacteria are much smaller than viruses
• What are the main symptoms of cholera?

  • Watery diarrhea
  • Pale-colored diarrhea
  • Often in large amounts
• What is the impact of pathogens on health?

  They can cause infectious diseases
• What are the main symptoms of HIV/AIDS?

  • Fever
  • Weight loss
  • Night sweats
• How do pathogens spread in a population?

  Through direct contact or environmental exposure
• What are the main symptoms of tuberculosis (TB)?

  • Coughing
  • Weight loss
  • Night sweats
• What is the role of fungi in the ecosystem?

  They can kill sick trees
• What are the main symptoms of Ebola?

  • Fever
  • Severe headache
  • Muscle pain
  • Vomiting
• How do pathogens affect the immune system?

  They can weaken the immune response
• How do the symptoms of cholera differ from those of HIV/AIDS?

  Cholera causes watery diarrhea, HIV causes fever
• What is the relationship between pathogens and disease severity?

  More pathogens can lead to more severe illness
• What are the common symptoms shared by tuberculosis and HIV/AIDS?

  Both can cause weight loss and night sweats
• What is the effect of a sick tree on other pathogens?

  It makes it easier for them to infect
• What should you do if you suspect an infection?

  • Seek medical advice
  • Describe symptoms accurately
  • Follow prescribed treatment