Global measles elimination is hindered by recurrent outbreaks, emerging characteristically in undervaccinated populations.
Global measles elimination is hindered by recurrent outbreaks, emerging characteristically in undervaccinated populations.
(需要透過 WebFetch 補充或人工審核來提取關鍵發現)
萃取時間: 2026-02-05T15:15:49Z 資料來源: CDC MMWR