摘要

CDC and public health authorities have learned more about COVID-19 through active contact tracing and monitoring of people who have been exposed to the virus that causes COVID-19.

詳細內容

CDC and public health authorities have learned more about COVID-19 through active contact tracing and monitoring of people who have been exposed to the virus that causes COVID-19.

關鍵發現

(需要透過 WebFetch 補充或人工審核來提取關鍵發現)

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萃取時間: 2026-02-05T15:16:05Z 資料來源: CDC MMWR