Types of Diseases
The Study of Disease
Pathogens & the Immune System
Diagnosis & Prevention
Viruses, Bacteria & Vaccines
100

A disease caused by harmful microorganisms like bacteria or viruses.

Infectious

100

The study of diseases and how they affect the body.

Pathology

100

A microorganism that causes disease.

Pathogen

100

Identifying a disease based on symptoms and tests.

Diagnosis

100

A microorganism that can be harmful or beneficial.

Bacteria

200

A disease that can spread from person to person.

Communicable

200

The study of what causes diseases.

Etiology

200

The body system that defends against infections.

Immune

200

The prediction of the outcome of a disease.

Prognosis

200

A tiny infectious agent that replicates inside living cells.

Virus

300

A disease caused by a mutation in genes.

Hereditary

300

The study of disease spread in populations.

Epidemiology

300

Proteins are made by the immune system to fight infections.

Antibodies

300

Actions taken to stop a disease before it starts.

Prevention

300

The molecules in bacteria and viruses that trigger an immune response.

Antigens

400

A disease caused by nutrient deficiencies or excesses.

Nutritional

400

The branch of medicine that studies how diseases develop.

Pathology

400

The organ that helps produce white blood cells and filter blood.

Spleen

400

Preventing a disease by living a healthy lifestyle.

Primary

400

A biological preparation that protects against disease.

Vaccine

500

A disease that cannot spread from person to person.

Non communicable

500

The field of medicine focused on preventing disease in populations.

Public Health

500

A network of vessels that help transport immune cells.

Lymphatic

500

Treatment to stop a disease from progressing further.

Tertiary

500

A virus that affects the immune system and causes AIDS.

HIV

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