Pathogen Diseases, Symptoms and their Preventive Measures

LESSON – PATHOGENS AND DISEASES 

TOPIC

• Introduction

• Meaning and Types of Pathogen

• Meaning and Types of Disease

• The Symptoms and Preventive Measures

INTRODUCTION

Pathogen is an infectious disease that causes illness or makes people sick.

Infectious diseases are diseases that are communicable.

Pathogen are tiny living organisms that caused illness to the body.

TYPES OF PATHOGENS 

1. Virus

2. Bacteria

3. Fungi

4. Worm

5. Protozoa

VIRUS

Virus are smaller than bacteria.

A virus is an infectious agent that can reproduce itself within the host organism.

They caused multitude of diseases — ranging from the common cold to AIDS.

BACTERIA

Bacteria are living organism can be found everywhere.

These diseases are responsible for illness such as strep throat, urinary tract infections and tuberculosis.

They are inside and outside the human body, hot water, ice, death, etc.

Some of the bacteria are good for you, while others can make you sick.

FUNGI/FUNGUS 

Fungi diseases are diseases responsible for many skin diseases.

Other types of fungi can infect your lungs or nervous system.

Fungi is a living organism that lives in or on plants, animals or decaying materials.

They no chlorophyll.

WORM

Worm is an organism or parasitic that live in feed off the human body.

It enters the body through contaminated foods, drinks, and soil to causes many symptoms in the body.

PROTOZOA

Protozoa are very small organisms which often live inside larger animals.

PARASITIC 

Parasites are mainly cause by mosquito bite.

Other parasites may be transmitted to humans from animal feces.

MEANING AND TYPES OF DISEASES 

Disease is a failure of the body to function well as a result of the activities of germs or pathogens.

TYPES OF DISEASES 

1. Communicable Diseases

2. Non Communicable Diseases

1. COMMUNICABLE DISEASES 

Communicable diseases are diseases that can be spread from one person to another and cause a large number of people to get sick.

MEANS OF COMMUNICATION

Communicable diseases are spread through,

• Air

• Food

• Water

• Sex

• Animals like mosquitoes, flies, lice, and tsetse flies, etc.

EXAMPLES OF COMMUNICABLE DISEASES 

Examples of communicable diseases are as follows:

• COVID 19 virus

• Cholera

• HIV/AIDS

• Gonorrhoea

• Cough

• Tuberculosis

• Dysentery

• Chickenpox, etc.

2. NON COMMUNICABLE DISEASES 

Non communicable diseases are diseases that cannot be spread through such contact or any other means.

EXAMPLES OF NON COMMUNICABLE DISEASES 

Examples of non communicable diseases are as follows:

• Epileptic fits

• Obesity

• Ulcer

• Acne

• Diabetes

• Sickle cell

SYMPTOMS OF PATHOGEN

Each infectious disease has its own specific signs and symptoms.

General signs and symptoms common to a number of infectious diseases include:

1. Fever

2.Diarrhea

3. Fatigue

4. Muscle aches

5. Coughing

HOW TO PREVENT PATHOGENS DISEASES? 

Pathogens diseases can be prevented as follows:

1. Don’t share personal items.

Use your own toothbrush, comb and razor.

Avoid sharing drinking glasses or dining utensils.

2. Wash your hands

3. Get vaccinated

4. Prepare food safely

5. Keep your environment safe and clean

6. Practice safe sex

7. Travel wisely

LESSON EVALUATION 

Answer all the questions in Section A and B. 

SECTION A – OBJECTIVES 

1. _______ is an infectious disease that causes illness or makes people sick.

A. Pathogen

B. Disease

C. Pandemic

2. Infectious diseases are diseases that are _______.

A. communicable

B. non communicable

C. A and B

3. Pathogen are tiny _______ that caused illness to the body.

A. living organisms

B. death organisms

C. life organisms

4. Pathogen is an infectious disease that causes illness or makes people _______.

A. well

B. sick

C. fine

5. _______ is an infectious agent that can reproduce itself within the host organism.

A. Insect

B. Worm

C. Virus

6. _______ are living organism can be found everywhere.

7. _______ are inside and outside the human body, hot water, ice, death, etc.

A. Fungi

B. Worn

C. Bacteria

8. Some of the bacteria are _______ for you, while others can make you _______.

A. good, sick

B. good, sad

C. good, happy

9. _______ is a living organism that lives in or on plants, animals or decaying materials.

A. Fungi

B. Worn

C. Bacteria

10. _______ is a simple organism or parasitic that feed off the human body.

A. Insect

B. Worm

C. Virus

11. Worm enters the body through _______ foods, drinks, and soil to causes many symptoms in the body.

A. communicable

B. contaminated

C. non contaminated

12. _______ are very small organisms which often live inside larger animals.

A. Diseases

B. Pathogen

C. Protozoa

13. _______ are diseases that can be spread from one person to another and cause a large number of people to get sick.

A. Non communicable diseases

B. Communicable diseases

C. COVID 19 disease

 

14. _______ are diseases that cannot be spread through such contact or any other means.

A. Non communicable diseases

B. Communicable diseases

C. COVID 19 diseases

15. _______ means a global epidemic like COVID 19 virus.

A. Disease

B. Pathogen

C. Pandemic

SECTION B – THEORY 

1. explain the meaning of pathogen.

2. state 4 types of pathogen.

3. describe the following:

• Virus
• Bacteria
• Fungi
• Worm
• Protozoa

4. explain the meaning of disease.

5. mention 2 types of diseases.

6. differentiate between the following:

• pathogen and disease

• communicable and non communicable diseases.

7. state 5 examples of communicable diseases.

8. give 5 examples of non communicable diseases.

9. State 4 symptoms of pathogen diseases.

10. Mention 5 preventive measures of these diseases.