Community spread
01
社区传播, 社区内传播
the outbreak of a contagious illness among the people of a particular region where the source of the infection is not easily traceable
例子
Health officials are concerned about community spread, as many new cases have no known source of infection.
卫生官员担心社区传播，因为许多新病例没有已知的感染源。
To prevent community spread, it is essential to follow social distancing guidelines and wear masks in public.
为了防止社区传播，必须遵循社交距离准则并在公共场所佩戴口罩。
