Quick Answer: What Are 3 Communicable Diseases?

Which communicable disease are most difficult to block the spread of?

In some diseases, such as leprosy, HIV, or typhoid, it may be very difficult to prevent transmission, because people may be asymptomatic carriers who are themselves unaware that they are infected and infectious to others.

No methods are available to prevent infection with M..

Can a virus be a disease?

Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.

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.Jul 17, 2019

What are the communicable diseases?

Communicable diseases, also known as infectious diseases or transmissible diseases, are illnesses that result from the infection, presence and growth of pathogenic (capable of causing disease) biologic agents in an individual human or other animal host.

What are the 5 communicable diseases?

HIV, tuberculosis, malaria,neglected tropical diseases and viral hepatitis affect billions of people around the world, and cause more than 4 million deaths each year. .

Is Influenza a communicable disease?

Influenza, commonly called “the flu,” is a contagious disease caused by viruses that infect the respiratory tract, including nose, throat, and lungs. It can cause severe illness and life-threatening complications in many people including the elderly.

What are the top 5 common viral infections?

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

What are the 4 types of communicable diseases?

Communicable diseasesInfluenza. Norovirus. Mumps. Tuberculosis.Pertussis. Zika virus. West Nile virus.Ebola. Chikungunya virus. Coronavirus (COVID-19)

What are the main causes of communicable diseases?

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 7 killer diseases?

7 Deadliest Diseases in History: Where are they now?The Black Death: Bubonic Plague. … The Speckled Monster: Smallpox. … Severe Acute Respiratory Syndrome (SARS) … Avian Influenza: Not Just One For The Birds. … Ebola: On The Radar Again. … Leprosy: A Feared Disease That Features In The Old Testament. … Polio: The Most Dreaded Childhood Disease Of The 1940-50s.Jun 8, 2020

What are the top 3 communicable diseases?

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

Is Ebola a communicable disease?

Is Ebola contagious? Ebola is contagious. The virus spreads through direct contact (via broken skin or mucous membranes, in the nose, mouth, or eyes). Blood or body fluids from infected individuals are capable of causing infection in others.

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 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 is the most common communicable disease?

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.