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搜狐全球医讯 | 巴黎奥运会期间登革热会大规模传播吗?

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作者 | 周亦川

编辑 | 袁月

巴黎奥运会开幕在即,近期有报道指出,登革热可能给本届奥运会带来公共卫生重大风险。

回顾前两届奥运,里约受到了寨卡威胁,而东京就在新冠疫情中召开,对登革热的担忧并非杞人忧天。CNN报道指出,巴黎已满足登革热发生大规模传播的数个条件。首先,白纹伊蚊是登革热主要传播者,它已适应欧洲偏寒的环境,已广泛入侵法国等欧洲国家。

法国去年报告了641例登革热感染,而今年已达到1700例。去年十月,巴黎首次报告了3例。

奥运期间约200多个国家,1600万人来到巴黎,包括一些有登革热疫情的国家旅客,进一步增添风险。

来源 / pixabay

最令人警惕的是,每只蚊子一次最多产下200多个卵,部分卵孵化时已感染由上一代传来的病毒,加大了传播效率。感染后多数人可能不出现症状,但只要被伊蚊叮咬就会再次传播。

为应对登革热威胁,《每日电讯》介绍,巴黎卫生局上个月起设定了526个监测点用于监控白纹伊蚊的分布,在水中加入杀虫剂的同时也鼓励民众清除各处积水,包括使用拟人气味设备诱杀蚊子。

不过,考虑到塞纳河水质现在的治理情况,运动员和游客还是带好驱蚊剂和蚊帐吧。

发布于:北京市