What Are The Stages Of Infectious Disease?

What are the five stages of infectious disease quizlet?

Terms in this set (5)incubation period.

(1) silence stage time between infection and the appearence of signs and symptoms of the disease.prodromal phase.

(2) pathogens begin to invade tissues.invasive phase.

decline phase.

convalescence phase..

What are the three stages of disease?

viral latency: A form of viral dormancy in which the virus does not replicate at all.Stages of Disease. … STAGE 1: INCUBATION PERIOD. … STAGE 2: PRODROMAL PERIOD. … STAGE 3: ACUTE PERIOD. … STAGE 4: CONVALESCENCE PERIOD.

What are the 3 stages of sepsis?

There are three stages of sepsis: sepsis, severe sepsis, and septic shock.

What is a characteristic of the convalescence stage of illness?

Convalescence is the gradual recovery of health and strength after illness or injury. It refers to the later stage of an infectious disease or illness when the patient recovers and returns to previous health, but may continue to be a source of infection to others even if feeling better.

What are the 4 stages of communicable illness?

The natural history of an untreated communicable disease has four stages: stage of exposure, stage of infection, stage of infectious disease, and stage of outcome.

What is course of infection?

The first way, known as a lytic course of infection, is when virus particles kidnap the host cell’s machinery, produce hundreds of new copies of themselves, kill the cell and then spread their copies further into the organism.

What are the stages of an infection?

For bacteria to successfully cause disease they must pass through several stages of infection: colonisation, invasion, proliferation and transmission. Whilst in the body, bacteria must also evade constant attack from the immune system.

What are 5 common types of infectious diseases?

Common Infectious DiseasesChickenpox.Common cold.Diphtheria.E. coli.Giardiasis.HIV/AIDS.Infectious mononucleosis.Influenza (flu)More items…

What is the final stage of the infectious process?

Convalescence. The final stage of infection is known as convalescence. During this stage, symptoms resolve, and a person can return to their normal functions.

What are the four stages of a new infectious disease quizlet?

Terms in this set (6)Incubation.prodromal Stage.Acute Stage.Convalescent stage.

What are the four stages of disease development?

1.3 Natural history of a communicable disease (You will learn about this in detail in Study Session 2.) Events that occur in the natural history of a communicable disease are grouped into four stages: exposure, infection, infectious disease, and outcome (see Figure 1.6).

What is the most common infectious 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.

What is the leading infectious disease?

Viral hepatitis, influenza, and tuberculosis (TB) remain among the leading causes of illness and death in the United States and account for substantial spending on the related consequences of infection.

What can I expect from an infectious disease doctor?

The role of an infectious disease specialist is to review a patient’s medical data, including records, X-rays and laboratory reports. They may perform a physical examination, depending on the type of problem. Laboratory studies are often necessary and may include blood studies and cultures of wounds or body fluids.

How does a disease start?

Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.

What stage of infection is most communicable?

In some cases, a person is contagious during the incubation period, while in others the person is not contagious until the illness begins. The amount of time a child remains contagious depends on the infection and the child. Young children are often contagious for longer than older children.

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

How are infectious diseases classified?

The agents of infection can be divided into different groups on the basis of their size, biochemical characteristics, or manner in which they interact with the human host. The groups of organisms that cause infectious diseases are categorized as bacteria, viruses, fungi, and parasites.