Question: What Are The Four Phases Of Infection And Disease?

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..

Which phases of illness have dormancy?

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 is the illness stage?

During the illness stage, symptoms characteristic of a particular disease are recognized. It is also at this stage that the infectious disease is highly communicable. When the patient overcomes the disease, the ensuing stage is the convalescent period. Also called: illness stage.

What is the acute phase of infection?

An acute viral infection is characterized by rapid onset of disease, a relatively brief period of symptoms, and resolution within days. It is usually accompanied by early production of infectious virions and elimination of infection by the host immune system.

How does infection leave the body?

In response to infection, your immune system springs into action. White blood cells, antibodies, and other mechanisms go to work to rid your body of the foreign invader.

What is the incubation period of a disease?

The incubation period is the time from exposure to the causative agent until the first symptoms develop and is characteristic for each disease agent.

What is illness Behaviour?

Illness behavior refers to any actions or reactions of an individual who feels unwell for the purpose of defining their state of health and obtaining physical or emotional relief from perceived or actual illness.

What are the 4 stages of illness?

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

Which stage of infection is most severe?

Following the prodromal period is the period of illness, during which the signs and symptoms of disease are most obvious and severe. The period of illness is followed by the period of decline, during which the number of pathogen particles begins to decrease, and the signs and symptoms of illness begin to decline.

What are the 5 stages of illness?

Another sociologist, Edward A. Suchman, formulated illness behavior as con- sisting of five stages: symptom experience, assumption of the sick role, medical care contact, dependent patient, and recovery or rehabilitation (Table 1-1).

What is disease process?

The Infectious Disease Process. [last update 11/24/03] The infectious disease process includes the following components: (1) agent (2) reservoir (3) portals of entry and exit (4) mode of transmission (5) immunity. Types of agents range from the submicroscopic to the large parasites.

What is a sick role behavior?

Sick-role behavior is the activity undertaken, for the purpose of getting well, by those who consider them- selves ill. It includes receiving treatment from appropriate therapists, generally in- volves a whole range of dependent behaviors, and leads to some degree of neglect of one’s usual duties.

What are chronic illnesses?

Chronic diseases are defined broadly as conditions that last 1 year or more and require ongoing medical attention or limit activities of daily living or both. Chronic diseases such as heart disease, cancer, and diabetes are the leading causes of death and disability in the United States.

What are the stages of an infection cycle?

The six links include: the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. The way to stop germs from spreading is by interrupting this chain at any link.