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Unverified88% confidenceDecision RuleTime unknown

青少年首次接种后,美国CDC建议在16岁左右加强一剂以维持保护力;若首针在16岁后接种则通常无需短期内加强,但长期暴露风险者每5年左右考虑加强

1
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88%
Confidence
Long-term
Relevance
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