摘要
This report describes the percentage of COVID-19 infections attributed to the Delta variant in a large integrated health care system in California.
詳細內容
This report describes the percentage of COVID-19 infections attributed to the Delta variant in a large integrated health care system in California.
關鍵發現
(需要透過 WebFetch 補充或人工審核來提取關鍵發現)
萃取時間: 2026-02-05T15:13:23Z 資料來源: CDC MMWR