PATHOGENS, DISEASES AND THEIR PREVENTIONS

DISEASES

Pathogens are very tiny organisms that cannot be seen with the naked eye but which cause diseases when they enter the body.

PATHOGENS

The agent causing diseases are called pathogens.

PATHOGENS OR DISEASE CAUSATIVE AGENTS ARE THE FOLLOWING

  1. Viruses
  2. Bacteria
  3. Fungi
  4. Protozoa
  5. Worms
  6. Rickettsiae

DISEASES CAUSED BY PATHOGENS

A disease is an incident that disrupt the structure and function of the body system. The diseases which are caused by pathogens are also known as pathogenic diseases.

  1. Diarrhea
  2. Poliomyelitis
  3. Tuberculosis
  4. Hepatitis
  5. HIV/AIDs
  6. Malaria
  7. Measles
  8. Chicken pox
  9. Mumps

There are two main types of diseases.

NON COMMUNICABLE DISEASES

This types of disease cannot be transmitted from one person to the other.  Examples are. Non-communicable diseases may result from Physiological failure, chemical fallout, malnutrition, genetic traits, brain damage etc.

  1. Cancer
  2. Stroke
  3. Asthma
  4. Sickle cell
  5. Ulcer
  6. Kwashiorkor
  7. Epilepsy
  8. Neurosis
  9. Marasmus
  10. Hypertension

The different ways of preventing and controlling communicable diseases are through:

  1. Health education
  2. Immunization
  3. Clean environment
  4. Adequate nutrition and feeding
  5. Isolation and quarantine
  6. Regular exercise
  7. Good personal hygiene

Evaluation

  1. What are diseases and Pathogens?
  2. Differentiate between communicable and non-communicable diseases with examples
  3. State three ways of preventing diseases.

Assignment: Give five ways of preventing communicable diseases

See also:

Fresh Approach to School Health Programme

Preventive measures against environmental pollution

Effects of Pollution on Environmental and Personal Health

Environmental Pollution

Personal, School and Community Health

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