Quick Answer: What 3 Components Are Needed To Spread Infection?

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 are stages of infection?

The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 2). The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient).

How do infections enter the body?

Microorganisms capable of causing disease—pathogens—usually enter our bodies through the mouth, eyes, 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 major types of infectious agents?

Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms. Some common pathogens in each group are listed in the column on the right. Infectious agents can grow in various body compartments, as shown schematically in Fig.

What is standard precautions infection control?

Infection control principles and practices for local health agencies. Standard Precautions. Standard precautions are a set of infection control practices used to prevent transmission of diseases that can be acquired by contact with blood, body fluids, non-intact skin (including rashes), and mucous membranes.

What are the 5 standard precautions for infection control?

They include:hand hygiene and cough etiquette.the use of personal protective equipment (PPE)the safe use and disposal of sharps.routine environmental cleaning.incorporation of safe practices for handling blood, body fluids and secretions as well as excretions [91].

What are four elements required for infection to spread?

The six links include: the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host.

What are the agents of infectious diseases?

Infectious agents are organisms that are capable of producing infection or infectious disease. They include bacteria, fungi, viruses, and parasites.

How do you know if you have a bacterial infection?

The symptoms of a bacterial infection and a virus are often very similar—fever, muscle aches, cough, and sore throat—but they require different treatments….Make an appointment if you have:Symptoms that last more than 10 days.Recurring fevers.Shortness of breath.Excessive yellow or green mucus.

What are the 10 standard precautions?

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 four stages of infection?

10.3B: Disease DevelopmentStages of Disease.STAGE 1: INCUBATION PERIOD.STAGE 2: PRODROMAL PERIOD.STAGE 3: ACUTE PERIOD.STAGE 4: CONVALESCENCE PERIOD.

What are 5 ways diseases are transmitted?

Diseases Spread. 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 3 types of infectious agents?

There are five major types of infectious agents: bacteria, viruses, fungi, protozoa, and helminths.