What Are The 4 Stages Of Communicable Illness?

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 is the incubation stage of infection?

Incubation period: In medicine, the time from the moment of exposure to an infectious agent until signs and symptoms of the disease appear. For example, the incubation period of chickenpox is 14-16 days. In biology, the incubation period is the time needed for any particular process of development to take place.

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 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.

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 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 disease kills the most?

Heart disease has remained the leading cause of death at the global level for the last 20 years. However, it is now killing more people than ever before. The number of deaths from heart disease increased by more than 2 million since 2000, to nearly 9 million in 2019.

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

4 stages of infectious diseaseIncubation.prodromal Stage.Acute Stage.Convalescent stage.

What is the best infectious disease hospital?

The top recommended places for infectious disease treatment include: Mayo Clinic Hospital (Rochester, Minn.)

What’s the worst disease in history?

20 of the worst epidemics and pandemics in historyFlu pandemic: 1889-1890. … American polio epidemic: 1916. … Spanish Flu: 1918-1920. … Asian Flu: 1957-1958. … AIDS pandemic and epidemic: 1981-present day. … H1N1 Swine Flu pandemic: 2009-2010. … West African Ebola epidemic: 2014-2016. … Zika Virus epidemic: 2015-present day.More items…•

Which disease has no cure?

cancer. dementia, including Alzheimer’s disease. advanced lung, heart, kidney and liver disease. stroke and other neurological diseases, including motor neurone disease and multiple sclerosis.

What are the 4 most common communicable diseases?

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

What is the rarest disease on Earth?

RPI deficiency According to the Journal of Molecular Medicine, Ribose-5 phosphate isomerase deficiency, or RPI Deficinecy, is the rarest disease in the world with MRI and DNA analysis providing only one case in history.

Which is the most contagious disease?

The top five are as follows:HIV/AIDS: 1.6 million deaths in 2012.Tuberculosis: 1.3 million deaths in 2012.Pneumonia: 1.1 million children under the age of five, according to yearly estimates.Infectious diarrhea: 760,000 children under the age of five, according to yearly estimates.Malaria: 627,000 deaths.

What are the stages of bacterial 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.