Contact tracing is the process of identifying, assessing, and managing people who have been exposed to someone who has been infected with the COVID-19 virus.
Contact tracing and quarantine of contacts identified through contact tracing interrupt transmission between people and are essential public health tools for controlling the virus.
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接触者追踪也可以帮助那些患重症风险更高的人，如果他们随后出现症状，可以更快地得到医疗护理。
Contact tracing can also help people who are at a higher risk of developing severe disease know earlier that they have been exposed so that they can get medical care quicker if they go on to develop symptoms.
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接触者追踪是否有助于控制病毒传播？
Can contact tracing help in controlling spread of the virus?
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接触者追踪是控制传染病暴发的基本公共卫生工具，例如COVID-19病毒导致的暴发。
Contact tracing is an essential public health tool for controlling infectious disease outbreaks, such as those caused by the COVID-19 virus .
Contact tracing can break the chains of transmission through the rapid identification, isolation and clinical care of cases, and providing supported quarantine of contacts, meaning that virus transmission can be stopped.
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接触者追踪对COVID-19病毒的新变异株有用吗？
Does contact tracing still work against new variants of the COVID-19 virus ?
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接触者追踪的原则对于新发现的COVID-19病毒变异株是一样的。
While some of the variants of the virus are more transmissible, thorough and timely contact tracing and supported quarantine of contacts is even more important to control the spread of the virus.