问答题

关于登革热的预防，下列描述正确的是()

A、登革热主要预防措施是防蚊灭蚊，切断传播途径
B、做好个人防护，穿长袖衣裤，使用防蚊驱避剂等
C、及早发现患者(特别是发病5d内的患者)，并对患者实行防蚊隔离措施尤其重要
D、我国目前尚无登革热疫苗可用
此题为多项选择题。

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