Quick Answer: How Are Infectious Diseases Classified?

What are the four classifications of infections and diseases?

A variety of microorganisms can cause disease.

Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms..

What is the rarest disease on Earth?

RPI deficiency According to the Journal of Molecular Medicine, Ribose-5 phosphate isomerase deficiency, or RPI Deficinecy, is the rarest disease in the world with MRI and DNA analysis providing only one case in history.

What are the top 5 common viral infections?

Other common viral diseases include:Chickenpox.Flu (influenza)Herpes.Human immunodeficiency virus (HIV/AIDS)Human papillomavirus (HPV)Infectious mononucleosis.Mumps, measles and rubella.Shingles.More items…

What are Infectious Diseases examples?

Infectious diseases are diseases caused by living organisms like viruses and bacteria. They can be passed from person to person through body secretions, insects or other means. Examples are SARS, influenza, the common cold, tuberculosis (TB), Hepatitis A and B.

What is a common infectious disease?

Listed in the directory below are some of these diseases, for which we have provided a brief overview. HIV/AIDS. Chickenpox. Chronic Fatigue Syndrome. Common Cold.

What are examples of non infectious disease?

Examples of noninfectious diseases include cystic fibrosis, most cancers, cardiovascular diseases such as coronary artery disease, and diabetes mellitus.

How are infectious diseases categorized?

The agents of infection can be divided into different groups on the basis of their size, biochemical characteristics, or manner in which they interact with the human host. The groups of organisms that cause infectious diseases are categorized as bacteria, viruses, fungi, and parasites.

What are the 3 classifications of disease?

The most widely used classifications of disease are (1) topographic, by bodily region or system, (2) anatomic, by organ or tissue, (3) physiological, by function or effect, (4) pathological, by the nature of the disease process, (5) etiologic (causal), (6) juristic, by speed of advent of death, (7) epidemiological, and …

What are the four types of infection?

Types of infectionsViral infections. Viruses are very tiny infectious organisms. … Bacterial infections. Bacteria are single-celled microorganisms. … Fungal infections. Fungi are another diverse group of organisms that can include things like yeasts and molds. … Parasitic infections. … Prions.

What are 5 diseases caused by bacteria?

Bacterial diseaseBacteria.Infectious disease.Cholera.Leprosy.Tuberculosis.Plague.Syphilis.Anthrax.More items…

What are the five signs of an infection?

Know the Signs and Symptoms of InfectionFever (this is sometimes the only sign of an infection).Chills and sweats.Change in cough or a new cough.Sore throat or new mouth sore.Shortness of breath.Nasal congestion.Stiff neck.Burning or pain with urination.More items…

What are the classification of infection?

They enter a host and take over cells, whereas bacteria can survive without a host. Treatment will depend on the cause of the infection. This article will focus on the most common and deadly types of infection: bacterial, viral, fungal, and prion.

What are 5 common types of infectious diseases?

Common Infectious DiseasesChickenpox.Common cold.Diphtheria.E. coli.Giardiasis.HIV/AIDS.Infectious mononucleosis.Influenza (flu)More items…

What is the other name for infectious disease?

Infectious diseases, also known as infectiology, is a medical specialty dealing with the diagnosis and treatment of complex infections.

What are four basic types of infectious diseases?

There are different types of pathogens, but we’re going to focus on the four most common types: viruses, bacteria, fungi, and parasites.

How do infectious diseases work?

Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.

What is the most common bacterial infection?

Some of the most common bacterial infections include:Salmonella is a type of infection often described as food poisoning. … Escherichia coli (E. … Tuberculosis is a highly contagious disease caused by the Mycobacterium tuberculosis bacteria.More items…