Unverified90% confidenceDecision RuleTime unknown

前往东南亚、非洲等登革热/疟疾高发区，选DEET浓度≥30%的产品，可提供约6小时防护；日常城市公园活动DEET 10-15%即可维持约2小时

1

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90%

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Long-term

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Unverified去东南亚/非洲/南美等登革热、疟疾、寨卡高发区，应选DEET浓度≥30%或派卡瑞丁≥20%，且优先选防水/耐汗配方，柠檬桉油单独使用防护力不足75% similar UnverifiedDEET浓度20-30%可提供约5-6小时防护，浓度超过30%后有效时长增幅极小，日常城市及景区选20%浓度即够用，无需盲目追求高浓度74% similar

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