[KongchangAI]
Unverified92% confidenceFactTime unknown

需间隔6-18个月接种第二剂加强针方可获得长期(可达20年以上)保护,仅单剂接种保护持续时间有限

1
Sources
92%
Confidence
Long-term
Relevance
-
First Seen

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MCP
get_claim(id=642985)