What Are The Common Sources Of Infection?

What is the most common source of human infection in the world?

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..

What are the 4 types of infections?

This article will focus on the most common and deadly types of infection: bacterial, viral, fungal, and prion.

How do viruses enter the body?

Microorganisms capable of causing disease—or pathogens—usually enter our bodies through the eyes, mouth, nose, or urogenital openings, or through wounds or bites that breach the skin barrier. Organisms can spread, or be transmitted, by several routes.

What are the 5 standard precautions for infection control?

Standard PrecautionsHand hygiene.Use of personal protective equipment (e.g., gloves, masks, eyewear).Respiratory hygiene / cough etiquette.Sharps safety (engineering and work practice controls).Safe injection practices (i.e., aseptic technique for parenteral medications).Sterile instruments and devices.More items…

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 common human diseases?

Common IllnessesAllergies.Colds and Flu.Conjunctivitis (“pink eye“)Diarrhea.Headaches.Mononucleosis.Stomach Aches.

What are common sources of infection explain your answer?

Common sources of infection Sources, e.g. airborne, blood borne, sexually transmitted, fecal, oral, environment, stagnant water, warm-water systems, animals.

What are the types of disease?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.

What are the four most common sources of infection?

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 3 methods of infection control?

There are three types of transmission-based precautions: contact, droplet, and airborne. Contact precautions are used in addition to standard precautions when caring for patients with known or suspected diseases that are spread by direct or indirect contact.

What is disease Short answer?

Disease, any harmful deviation from the normal structural or functional state of an organism, generally associated with certain signs and symptoms and differing in nature from physical injury. A diseased organism commonly exhibits signs or symptoms indicative of its abnormal state.

What are the potential sources of infection in a workplace?

The main sources of infectious (pathogenic) agents include: ▪ blood and other body fluids such as saliva ▪ human or animal waste products such as faeces, urine and vomit ▪ respiratory discharges such as coughs and sneezes ▪ skin contact with contaminated surfaces ▪ contaminated food or water.