单词	community spread
释义	community spread noun variants or community transmission : the spread of a contagious disease within a community specifically : the spread of a contagious disease to individuals in a particular geographic location who have no known contact with other infected individuals or who have not recently traveled to an area where the disease has any documented cases Dr. [Anthony] Fauci, who is the top coronavirus expert in the country, said community spread made it almost impossible to predict how many cases there will be. Megan Sheets and Emily Crane … a 50-year-old New Rochelle man became the first known person in New York to contract the virus through community spread. Jon Campbell In areas where community transmission is high, schools may be closed and businesses may ask employees to work from home. Melissa Healy Word History First Known Use 1903, in the meaning defined above
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