Finding and identifying people in contact with someone with an infectious disease
Contact tracing attempts to find all contacts of a confirmed case, in order to test or monitor them for infection. The goal is to stop the spread of a disease by finding and isolating cases.
In public health, contact tracing is the process of identifying people who may have been exposed to an infected person ("contacts") and subsequent collection of further data to assess transmission.[1][2] By tracing the contacts of infected individuals, testing them for infection, and isolating or treating the infected, this public health tool aims to reduce infections in the population.[2] In addition to infection control, contact tracing serves as a means to identify high-risk and medically vulnerable populations who might be exposed to infection and facilitate appropriate medical care.[1] In doing so, public health officials utilize contact tracing to conduct disease surveillance and prevent outbreaks.[2] In cases of diseases of uncertain infectious potential, contact tracing is also sometimes performed to learn about disease characteristics, including infectiousness.[1][2] Contact tracing is not always the most efficient method of addressing infectious disease.[2] In areas of high disease prevalence, screening or focused testing may be more cost-effective.[1][2]
The goals of contact tracing include:[3]
Interrupting ongoing transmission and reduce the spread of an infection
Alerting contacts to the possibility of infection and offer preventive services or prophylactic care
Alerting the general public about exposures or outbreaks (IE: COVID-19, Measles, TB, etc.)
Offering diagnosis, counseling and treatment to already infected individuals
If the infection is treatable, helping prevent reinfection of the originally infected patient
Learning about the epidemiology of a disease in a particular population
Being a tool in multifaceted prevention strategy to effectively curb the spread of an infectious disease.
Visual depiction of disease spread with and without contact tracing.
^ abcdef"The History of Contact Tracing and the Future of Public Health". American Journal of Public Health. 112 (8): 1097–1099. August 2022. doi:10.2105/AJPH.2022.306949. PMC 9342804. PMID 35830671. {{cite journal}}: Unknown parameter |v authors= ignored (help)
^"Health Departments". Centers for Disease Control and Prevention. 2020-02-11. Retrieved 2022-11-03.
In public health, contacttracing is the process of identifying people who may have been exposed to an infected person ("contacts") and subsequent collection...
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effective contacttracing. "(The) TraceTogether app, TraceTogether running on a device, and the data generated (are) purely for contacttracing. Period...
supermarkets and other service and retail establishments on entry to assist contacttracing. Singapore, Taiwan, the United Kingdom and New Zealand used similar...
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For Tracing, Isolating In Next Coronavirus Package". NPR.org. Retrieved May 19, 2020. "How this bipartisan plan proposes scaling up contacttracing". PBS...
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Global Information
