Quick Answer: Who Is At Risk For Communicable Diseases?

What are the main causes of communicable diseases?

Overview.

Communicable, or infectious diseases, are caused by microorganisms such as bacteria, viruses, parasites and fungi that can be spread, directly or indirectly, from one person to another.

Some are transmitted through bites from insects while others are caused by ingesting contaminated food or water..

What are the top 3 communicable diseases?

Ebola.Influenza.Mumps.Norovirus.Pertussis.Tuberculosis.Coronavirus.

What are the 10 non communicable diseases?

Alzheimer’s Disease.Cancer.Epilepsy.Osteoarthritis.Osteoporosis.Cerebrovascular Disease (Stroke)Chronic Obstructive Pulmonary Disease (COPD)Coronary Artery Disease.More items…

What are the four most common communicable diseases?

List of Communicable Diseases2019-nCoV.CRE.Ebola.Enterovirus D68.Flu.Hantavirus.Hepatitis A.Hepatitis B.More items…

What are the 5 methods of disease transmission?

The transmission of microorganisms can be divided into the following five main routes: direct contact, fomites, aerosol (airborne), oral (ingestion), and vectorborne. Some microorganisms can be transmitted by more than one route.

Is a virus a communicable disease?

A communicable disease is any disease that passes between people or animals. People sometimes refer to communicable diseases as “infectious” or “transmissible” diseases. Pathogens, including bacteria, viruses, fungi, and protists, cause communicable diseases.

What is the most common communicable disease?

The 5 Most Common Infectious DiseasesHepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population. … Malaria. … Hepatitis C. … Dengue. … Tuberculosis.

What are the 6 modes of transmission?

Modes of transmissionDirect. Direct contact. Droplet spread.Indirect. Airborne. Vehicleborne. Vectorborne (mechanical or biologic)

What are the common methods of transmission of diseases?

Infectious diseases are transmitted from person to person by direct or indirect contact….Indirect contactAirborne transmission. … Contaminated objects. … Food and drinking water. … Animal-to-person contact. … Animal reservoirs. … Insect bites (vector-borne disease)More items…

What are the classification of communicable disease?

Communicable diseases may be classified according to the causative agent, the clinical illness caused, or the means of transmission. Often all three characteristics are used (e.g., food-borne Salmonella gastroenteritis). Causative agents include bacteria, viruses, and parasites.

Which disease is a communicable disease?

Some examples of reportable communicable disease include HIV, hepatitis A, B and C, measles, salmonella, measles, and blood-borne illnesses. Most common forms of spread include fecal-oral, food, sexual intercourse, insect bites, contact with contaminated fomites, droplets, or skin contact.

What are 3 causes of communicable diseases?

Infectious diseases can be caused by:Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.Fungi. … Parasites.

What are the 8 modes of transmission?

The modes (means) of transmission are: Contact (direct and/or indirect), Droplet, Airborne, Vector and Common Vehicle. The portal of entry is the means by which the infectious microorganisms gains access into the new host.

What are the top 10 communicable diseases?

List of Communicable DiseasesCRE.Ebola.Enterovirus D68.Flu.Hantavirus.Hepatitis A.Hepatitis B.HIV/AIDS.More items…