contact tracing


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contact tracing

The identification of those known to have had prolonged or close interactions with a disease vector, typically through patient interviews and analysis of laboratory specimens.

contact tracing

A public health measure designed to limit the spread of infectious disease, especially sexually transmitted diseases and conditions, such as typhoid, in which transmission by healthy carriers can occur.
References in periodicals archive ?
On the contact tracing method, he said, "The long incubation period means a person will show the symptoms after nine to 10 days.
The WHO said Chinese health authorities were continuing with enhanced surveillance, epidemiological investigations, close contact tracing, clinical management, laboratory testing and sharing of samples as well as prevention and control measures.
Mr Bredin called for more aggressive contact tracing to identify the source of reservoirs and DNA fingerprinting.
He also said that contact tracing was being conducted so as to identify all those who have come in contact with swine flu victims and hence could have been infected.
lt;br /><br />While noting patient isolation and contact tracing are no longer efficient in reducing transmission as the disease has been widely circulating in the community, control measures at all boundary control points will remain unchanged, said Dr.
They examine issues of treatment, a wide range of reproductive issues, and address public health questions such as contact tracing, quarantine, and mandatory treatment.
If a person is infected by someone with an adult tapeworm, contact tracing becomes very important," Dr.
Work daily with public health officials on quarantine and contact tracing issues.
Name reporting and contact tracing were implemented in the 1930s, long before modem techniques of evaluation were developed.
For instance, in Quebec, where contact tracing of STD cases is generally the responsibility of treating physicians, a more intensive public health-based contact tracing program has been implemented for cases of PPNG.
The fact that contact tracing still is regarded as a "controversial measure" suggests that increased funding alone will not curtail the epidemic.