| 单词 | contact tracing |
| 释义 | contact tracing[ kon-takt trey-sing ] / ˈkɒn tækt ˌtreɪ sɪŋ / nouna public health measure undertaken to slow and eventually halt the spread of a disease that is transmitted person-to-person, in which people who have come in close proximity to or direct contact with an infected person are identified and monitored for signs of infection. These individuals, along with any of their contacts who manifest symptoms, are generally required to isolate themselves long enough to be treated, if necessary, before they can infect others.Rigorous contact tracing accompanied by widespread testing has proven effective in reducing deaths during an epidemic. Origin of contact tracingFirst recorded in 1935–40 OTHER WORDS FROM contact tracingcon·tact trace, verb (used with or without object)con·tact trac·er, nounWords nearby contact tracingcontact printing, contact process, contact sheet, contact splint, contact sport, contact tracing, contact-type dermatitis, contact with reality, Contadora, Contadora Group, Contadoran Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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