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student asking question

Community transmission是什么意思?

teacher

母语人士的回答

Rebecca

就疾病领域而言, community transmission是指感染在社区内传播,但由于感染者或境外传播者的接触病例尚未得到确认,难以追查源头的情况。示例: Community transmission is one of the most common methods of COVID-19 transmission. (本地感染是冠状病毒最常见的传播途径。) 示例: Because community transmission is hard to track, it's difficult to control outbreaks. (由于当地感染难以追踪,确诊病例增加难以控制。)

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