Quick Answer: Which Of The Following Is A Contagious Disease?

What are the types of disease transmission?

Contact transmission is the most common form of transmitting diseases and virus.

There are two types of contact transmission: direct and indirect.

Direct contact transmission occurs when there is physical contact between an infected person and a susceptible person..

Is laughter contagious or infectious?

If you see two people laughing at a joke you didn’t hear, chances are you will smile anyway–even if you don’t realize it. According to a new study, laughter truly is contagious: the brain responds to the sound of laughter and preps the muscles in the face to join in the mirth.

What infections are not contagious?

Examples of these are ear infections, sinus infections, and urinary tract infections. Lymph node and bloodstream infections are also rarely contagious. Pneumonia is a complication of a viral respiratory infection in most cases and is usually not contagious.

What are the carriers of contagious disease?

An asymptomatic carrier (healthy carrier or just carrier) is a person or other organism that has become infected with a pathogen, but that displays no signs or symptoms. Although unaffected by the pathogen, carriers can transmit it to others or develop symptoms in later stages of the disease.

What are the 6 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. This can occur, for example, through ingestion, breathing, or skin puncture.

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.

Are infections infectious?

Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some — but not all — infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious.

What are the 3 main ways infection can get into the body?

They can be spread in three main ways: through the air, through direct contact between people, and/ or contaminated objects or surfaces.Through the air. … Through direct contact. … Through contact with contaminated surfaces or objects. … Contaminated food or water.

What’s the difference between contagious and infectious?

Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some — but not all — infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious.

Is leprosy contagious by touch?

Doctors aren’t exactly sure how leprosy is spread. Leprosy is not very contagious. You can’t catch it by touching someone who has the disease. Most cases of leprosy are from long-term contact with someone who has the disease.

What are the 10 communicable disease?

contact with a contaminated surface or object (Norwalk virus), food (salmonella, E. coli), blood (HIV, hepatitis B), or water (cholera); bites from insects or animals capable of transmitting the disease (mosquito: malaria and yellow fever; flea: plague); and. travel through the air, such as tuberculosis or measles.

What are the 5 modes of transmission?

There are five main routes of disease transmission: aerosol, direct contact, fomite, oral and vector, Bickett-Weddle explained at the 2010 Western Veterinary Conference. Diseases can be spread to humans (zoonotic) by those same five routes.

What are the four routes of 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.

How can we prevent contagious diseases?

Decrease your risk of infecting yourself or others:Wash your hands often. … Get vaccinated. … Use antibiotics sensibly. … Stay at home if you have signs and symptoms of an infection. … Be smart about food preparation. … Disinfect the ‘hot zones’ in your residence. … Practice safer sex. … Don’t share personal items.More items…

What is a contagious disease quizlet?

“contagious” an INFECTIOUS disease that is readily transmitted from one individual to another..either directly or indirectly. You just studied 37 terms!

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 examples of contagious diseases?

Common examples of contagious viral diseases include the flu, the common cold, HIV, and herpes. Other types of viral diseases spread through other means, such as the bite of an infected insect.

What are the 5 ways infectious diseases are transmitted?

Infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.

What are the 4 types of communicable diseases?

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

Which diseases are carried in body fluids?

Examples of diseases spread through blood or other body fluids:hepatitis B – blood, saliva, semen and vaginal fluids.hepatitis C – blood.human immunodeficiency virus (HIV) infection – blood, semen and vaginal fluids, breastmilk.cytomegalovirus (CMV) infection – saliva, semen and vaginal fluids, urine, etc.More items…•

What are the 5 agents of disease?

The agents that cause disease fall into five groups: viruses, bacteria, fungi, protozoa, and helminths (worms). Protozoa and worms are usually grouped together as parasites, and are the subject of the discipline of parasitology, whereas viruses, bacteria, and fungi are the subject of microbiology.