摘要
This report describes the effectiveness of the seasonal influenza vaccine in five South American countries.
詳細內容
This report describes the effectiveness of the seasonal influenza vaccine in five South American countries.
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: 2026-02-05T15:09:36Z 資料來源: CDC MMWR