What is the last stage in chain of infection?

The susceptible host. The last link in the chain of infection is the susceptible host.
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What are the stages of chain of infection?

The six links include: the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host.
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What are the 5 stages of infections in order?

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).
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What are the 4 chain of infection?

  • INFECTIOUS DISEASE.
  • RESERVOIR.
  • PORTAL OF EXIT.
  • MODE OF TRANSMISSION.
  • PORTAL OF ENTRY.
  • SUSCEPTIBLE HOST.
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What are the 6 steps to the chain of infection and describe each?

The 6 points include: the infectious agent, reservoir, portal of exit, means of transmission, portal of entry, and susceptible host. The way to stop germs from spreading is by interrupting the chain at any link. The host is any carrier of an infection or someone at risk of infection.
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AHE: The Chain of Infection



What are the steps of the chain of infection quizlet?

Terms in this set (6)
  • Infectious Agent. the early sign of an infection.
  • Reservoir. an area where the infection agent can live.
  • Portal of exit. a way for the infection to escape from the reservoir.
  • Mode of Transmission. ...
  • Portal of Entry. ...
  • Susceptible Host.
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What are the 8 different modes of transmission?

Modes of transmission
  • Direct. Direct contact. Droplet spread.
  • Indirect. Airborne. Vehicleborne. Vectorborne (mechanical or biologic)
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What are the 4 routes of transmission?

Diseases can spread in many ways
  • Airborne transmission. Airborne transmission occurs when infectious agents are carried by dust suspended in the air. ...
  • Respiratory (droplet) transmission. ...
  • Sexually transmitted diseases (STDs) ...
  • Animal or insect transmission. ...
  • Food or water transmission. ...
  • Health care transmission.
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What is the chain of 5 FS?

The common factors in the fecal-oral route can be summarized as five Fs: fingers, flies, fields, fluids, and food. Diseases caused by fecal-oral transmission include typhoid, cholera, polio, hepatitis and many other infections, especially ones that cause diarrhea.
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What is the chain of 5 F's that can cause infection?

5 Fs that cause the spread of food borne diseases are Food (contaminated), Fingers (unclean), Faeces, Fomites, and Flies.
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What is the convalescent stage?

Convalescence is the period in which the body recovers from a serious illness, injury or surgery. Changes to your lifestyle may be needed to make sure the body has enough time and rest to allow a complete recovery.
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What is the chain of infection quizlet?

Transmission occurs when the agent leaves its reservoir or host through a portal of exit, is conveyed by some mode of transmission, and enters through an appropriate portal of entry to infect a susceptible host.
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What does the prodromal stage mean?

The term "prodrome " refers to the early stage and symptoms of any condition. Here, a person might notice changes in the way they feel, think, or behave. However, they won't experience symptoms such as disorganized thought or behavior, hallucinations, or delusions.
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What are the six chain of infection?

The six links in the chain are:
  • The Infectious Agent – or the microorganism which has the ability to cause disease.
  • The Reservoir or source of infection where the microorganism can live and thrive. ...
  • The Portal of Exit from the reservoir. ...
  • The Mode of Transmission. ...
  • The Portal of Entry. ...
  • The Susceptible Host.
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What is the chain of infection Covid 19?

The virus enters the body by coming into contact with the mucusa of the eyes ,nose and mouth. Either by breathing in the droplets from an infected person or by transferring the virus by touching a contaminated object and then touching the eyes, nose and mouth.
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How do you remember the chain of infection?

Terms in this set (6)
  1. Infectious Agents. -Pathogenic. -Microorganisms.
  2. Reservoirs. -Infected. -Individual or animal.
  3. Portal of exit (exit route) -Secretions. -Feces. -Blood. ...
  4. Means (method) of transmission. -Hands. -Contaminated blood. -Air droplets. ...
  5. Portal of entry (entrance) -Mouth. -Break in skin. ...
  6. Susceptible host. -Another person.
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What are the 5 F's in biology?

They are easily memorized as they all begin with the letter 'f': fluids (drinking water) food, flies, fields (crops and soil), floors, fingers and floods (and surface water generally).
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What is spread Class 9?

MEANS OF SPREAD 0F DISEASE

Infectious diseases spread from an infected person to a healthy person through air, water, food,vectors, physical contact and sexual contact.
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What is droplet infection Class 9?

Droplet infection is an infection transmitted from one individual to another by droplets of moisture expelled from the upper respiratory tract through sneezing or coughing. Direct transmission occurs when there is physical contact between an infected person and a susceptible person.
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What is the prodromal stage of infection?

The prodromal stage refers to the period after incubation and before the characteristic symptoms of infection occur. People can also transmit infections during the prodromal stage. During this stage, the infectious agent continues replicating, which triggers the body's immune response and mild, nonspecific symptoms.
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What are the 3 main routes of infection?

The main routes of transmission are listed below.
  • Person-to-person. Touch. ...
  • Food. Microbes need nutrients for growth and they like to consume the same foods as humans. ...
  • Water. Some diseases are caused by drinking water that is contaminated by human or animal faeces, which may contain disease-causing microbes. ...
  • Insects. ...
  • Fomites.
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How is the chain of infection broken?

The chain of airborne-based infections can be broken by following these measures: Practice proper patient placement in an airborne infection isolation room. Limit healthcare staff from entering the room, especially those vulnerable to infection. Use appropriate PPE such as an N95 or equivalent respirator.
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What is portal of exit?

The Portal of Exit refers to any route that the pathogen can leave the reservoir.
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How long will Covid last?

Acute COVID-19.

You may have fever, cough and other COVID-19 symptoms. Active illness can last one to two weeks if you have mild or moderate coronavirus disease, but severe cases can last months. Some people are asymptomatic, meaning they never have symptoms but do have COVID-19.
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What are the 4 methods of transmitting diseases?

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.
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