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Communicable Disease vs. Non-Communicable Disease: Know the Difference

Shumaila Saeed
By Shumaila Saeed || Published on February 7, 2024
Communicable diseases are infectious and can spread from person to person, whereas non-communicable diseases are non-infectious and cannot be transmitted.
Communicable Disease vs. Non-Communicable Disease

Key Differences

Communicable diseases are caused by pathogens such as bacteria, viruses, or parasites and can spread between individuals. Non-communicable diseases, on the other hand, are chronic conditions not caused by infectious agents and include diseases like heart disease, diabetes, and cancer. Both types of diseases pose significant health challenges globally.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024
The main feature of communicable diseases is their ability to spread from person to person through various means such as air, physical contact, or shared objects. Non-communicable diseases do not spread this way but are influenced by a combination of genetic, physiological, environmental, and behavioral factors.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024
Preventing communicable diseases often involves measures like vaccinations, hygiene practices, and public health interventions to control outbreaks. In contrast, preventing non-communicable diseases usually focuses on lifestyle changes, such as healthy eating, regular exercise, and avoiding tobacco and excessive alcohol use.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024
Communicable diseases can lead to outbreaks and epidemics, requiring immediate and coordinated responses. Non-communicable diseases, being chronic, lead to long-term healthcare needs and are the leading cause of mortality worldwide, significantly impacting healthcare systems and economies.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024
Examples of communicable diseases include COVID-19, influenza, and tuberculosis. Non-communicable diseases include conditions like Alzheimer's disease, asthma, and osteoporosis. Both communicable and non-communicable diseases are major concerns for global health and require different approaches for management and research.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024
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Comparison Chart

Cause of Disease

Pathogens like bacteria, viruses
Genetic, environmental, lifestyle factors
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Shumaila Saeed
Feb 07, 2024

Mode of Transmission

Person-to-person, air, physical contact
Not transmissible between people
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Shumaila Saeed
Feb 07, 2024

Prevention Methods

Vaccinations, hygiene, isolation
Lifestyle changes, regular check-ups
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Shumaila Saeed
Feb 07, 2024

Public Health Response

Outbreak control, quarantine
Chronic disease management, education
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Examples

COVID-19, Measles
Diabetes, Heart Diseas
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Communicable Disease and Non-Communicable Disease Definitions

Communicable Disease

A disease that can be transmitted from person to person or through vectors.
Measles, a communicable disease, rapidly spread in the community.
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Shumaila Saeed
Jan 12, 2024

Non-Communicable Disease

Chronic diseases not passed from person to person.
Diabetes, a non-communicable disease, is a growing health concern globally.
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Shumaila Saeed
Jan 12, 2024

Communicable Disease

Infections caused by microorganisms like bacteria, viruses, and parasites.
Malaria, a communicable disease, is transmitted by mosquito bites.
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Shumaila Saeed
Jan 12, 2024

Non-Communicable Disease

Illnesses often related to genetic, environmental, and lifestyle factors.
Heart disease, a non-communicable disease, is linked to poor diet and lack of exercise.
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Shumaila Saeed
Jan 12, 2024

Communicable Disease

Diseases where prevention often involves vaccines and hygiene.
Vaccination is key in preventing the spread of communicable diseases like polio.
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Jan 12, 2024
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Non-Communicable Disease

Health conditions that are typically managed rather than cured.
Asthma, a non-communicable disease, requires ongoing management and care.
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Shumaila Saeed
Jan 12, 2024

Communicable Disease

Illnesses that can be contagious in various environments.
Tuberculosis, a communicable disease, can spread in crowded places.
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Shumaila Saeed
Jan 12, 2024

Non-Communicable Disease

Diseases characterized by long duration and slow progression.
Osteoporosis, a non-communicable disease, develops gradually over years.
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Shumaila Saeed
Jan 12, 2024

Communicable Disease

Diseases that can spread through direct or indirect contact.
Influenza is a communicable disease often caught through airborne droplets.
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Shumaila Saeed
Jan 12, 2024

Non-Communicable Disease

Includes a wide range of illnesses that cannot be cured by vaccines.
Alzheimer's, a non-communicable disease, currently has no preventive vaccine.
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Shumaila Saeed
Jan 12, 2024

Repeatedly Asked Queries

What is a communicable disease?

A disease that can be transmitted from one person to another, or through vectors like mosquitoes.
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Shumaila Saeed
Feb 07, 2024

What is a non-communicable disease?

A chronic disease that is not infectious and cannot be transmitted between people.
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Shumaila Saeed
Feb 07, 2024

How are communicable diseases spread?

Through air, physical contact, bodily fluids, or contaminated surfaces.
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Shumaila Saeed
Feb 07, 2024

How can non-communicable diseases be prevented?

By adopting a healthy lifestyle, including balanced diet, regular exercise, and avoiding tobacco and excessive alcohol.
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Shumaila Saeed
Feb 07, 2024

Can communicable diseases be prevented?

Yes, through vaccinations, hygiene practices, and avoiding contact with sick individuals.
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Shumaila Saeed
Feb 07, 2024

Are non-communicable diseases genetic?

Some have genetic factors, but lifestyle and environmental factors also play a significant role.
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Shumaila Saeed
Feb 07, 2024

What are examples of communicable diseases?

COVID-19, influenza, and tuberculosis.
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Shumaila Saeed
Feb 07, 2024

Can communicable diseases lead to epidemics?

Yes, if not controlled, they can lead to widespread outbreaks and epidemics.
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Shumaila Saeed
Feb 07, 2024

Can a healthy lifestyle reduce the risk of communicable diseases?

It can boost immunity, but specific preventive measures like vaccines are essential.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024

What are common non-communicable diseases?

Heart disease, diabetes, cancer, and chronic respiratory diseases.
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Shumaila Saeed
Feb 07, 2024

How are non-communicable diseases diagnosed?

Through medical history, physical exams, and tests like blood tests or imaging.
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Shumaila Saeed
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Do vaccines work against non-communicable diseases?

Vaccines are primarily for communicable diseases; non-communicable diseases require different approaches.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024

Do communicable diseases affect children and adults differently?

Yes, some communicable diseases can be more severe in certain age groups.
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Shumaila Saeed
Feb 07, 2024

Is obesity a non-communicable disease?

Yes, it is considered a non-communicable disease with lifestyle-related factors.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024

Can stress cause non-communicable diseases?

Chronic stress is a risk factor for several non-communicable diseases.
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Shumaila Saeed
Feb 07, 2024

Are non-communicable diseases curable?

Some can be managed or controlled, but many are chronic and require ongoing treatment.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024

How significant is the impact of non-communicable diseases globally?

They are the leading cause of death worldwide, significantly impacting health systems and economies.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024

Can communicable diseases become chronic?

Some, like HIV, can become chronic if not properly treated.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024

Is it easier to control communicable or non-communicable diseases?

It depends on the disease and the resources available; both can pose challenges.
Shumaila Saeed
Shumaila Saeed
Feb 07, 2024

Is cancer a communicable disease?

No, cancer is a non-communicable disease.
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Shumaila Saeed
Feb 07, 2024

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About Author
Shumaila Saeed
Written by
Shumaila Saeed
Shumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.

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