Quick Answer: What Are The 5 Stages Of Communicable Diseases?

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 main causes of communicable diseases?

Overview. Communicable, or infectious diseases, are caused by microorganisms such as bacteria, viruses, parasites and fungi that can be spread, directly or indirectly, from one person to another. Some are transmitted through bites from insects while others are caused by ingesting contaminated food or water.

What are the stages of communicable diseases?

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 are the four most common communicable diseases?

List of Communicable Diseases2019-nCoV.CRE.Ebola.Enterovirus D68.Flu.Hantavirus.Hepatitis A.Hepatitis B.More items…

What are the 8 different modes of transmission?

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.

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 4 types of communicable diseases?

Communicable diseasesInfluenza. Norovirus. Mumps. Tuberculosis.Pertussis. Zika virus. West Nile virus.Ebola. Chikungunya virus. Coronavirus (COVID-19)

What is convalescent stage?

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.

How long do infectious diseases last?

Most people will be infectious for around 2 weeks. Symptoms are usually worse during the first 2 to 3 days, and this is when you’re most likely to spread the virus.

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.

What is the clinical stage of a disease?

Clinical disease: A disease that has recognizable clinical signs and symptoms, as distinct from a subclinical illness, which lacks detectable signs and symptoms. Diabetes, for example, can be a subclinical disease for some years before becoming a clinical disease.

What are the three factors of the epidemiological triangle?

The epidemiologic triangle is made up of three parts: agent, host and environment.

Who is at risk for communicable diseases?

Key risk factors include crowded conditions, forced displacement, poor quality shelter, poor water, sanitation and hygiene, lack of healthcare facilities and lack of adequate surveillance.

What is the first stage of an infectious disease?

STAGE 1: INCUBATION PERIOD While the term latency period is used as synonymous, a distinction is sometimes made between incubation period, the period between infection and clinical onset of the disease, and latent period, the time from infection to infectiousness.