Communicable Diseases

• What are pathogens?

  Microorganisms that cause infectious diseases
• What are the four types of pathogens?


  Viruses, bacteria, protists, and fungi
• What is a common way that pathogens are spread?

  Direct contact, water, and air
• How can the spread of diseases be limited?

  By improving hygiene, reducing contact with infected individuals, and vaccination, removing vectors
• What are the symptoms of malaria?

  Fevers and shaking
• How is malaria spread?

  By protist pathogens that enter red blood cells
• What is the impact of communicable diseases on populations?

  They can cause significant health issues and mortality rates
• What is the role of vaccination in disease prevention?

  It helps individuals become immune to pathogens
• How can good hygiene practices reduce the spread of diseases?

  By limiting contact with pathogens
• What is the importance of field hygiene in preventing plant diseases?

  It helps prevent the spread of pathogens among plants