第177章 某处海域(1 / 2)

疾控档案 华胥云 0 字 2021-10-29

南翰飞说的是公事,而且是对谷雅南有帮助的消息。

谷雅南心中感激,“暴发疫情中的每一个病例对确定传染源都有帮助,多谢。”

电话那头的南翰飞微微一笑,他喜欢她工作时认真的样子,喜欢听她认真说话的声音。

“好,有帮助就好,你忙吧,如果有什么需要我帮忙的,随时打电话给我,24小时都可以。”

谷雅南愣了一瞬后才轻轻“嗯”了一声。

南翰飞没有多说,先挂断电话。

接了南翰飞这通电话,谷雅南觉得心里怪怪的,但又说不出具体原因。

谷雅南的电话还未放下,电子邮箱提醒有新邮件,点开一看,是南翰飞发来的死者信息。

仔细看了一遍死者资料,滨海景观大道附近美食街服务员,发病前接触的水和食物种类很多,这例个案调查应该具有代表性。

谷雅南将死者信息转发给陆离,让他安排东城区疾控的人对死者所在的海鲜店做进一步流调。

——

两天后。

连海市疾病预防控制中心,应急办公室。

应急小组的各个成员向谷雅南汇报这两天的工作情况。

周老:“这两天,我和高飞查了全市和邻近市县的水质记录,也进行了现场水质采样,微生物指标、物理性状及化学性状等各项指标均符合标准,现场水质采样的检测结果未发现甲肝病毒。通过自来水、直饮水等饮用水污染引起的甲肝爆发可能性可以排除。”

陆离:“这两天,我和王笑笑跟进了各县区疾控对甲肝病人个案调查,资料都已经传到雅南姐你的邮箱,在跟进过程中我注意到所有甲肝病人最近都食用过毛蛤,毛蛤会不会是这次甲肝疫情的传染源?”

高飞疑问:“现在正是连海市毛蛤上市的季节,只要是对贝壳类不过敏的人,都会吃过几次毛蛤,我也吃过,我就没事。”

陆离反问:“你是怎么吃的?”

“毛蛤烧汤,汤水又白又鲜,比毛蛤肉还好吃。”

陆离:“你这个做法,甲肝病毒肯定能被杀死,那些甲肝病人吃毛蛤的做法基本都是用开水烫一下就吃,基本算是生吃,那个温度,毛蛤体内的甲肝病毒不能被杀死,吃的人就会感染甲肝病毒。”

王笑笑也附和着说:“很多海鲜店烹饪毛蛤的做法是凉拌毛蛤,取毛蛤肉的方法是开水冲烫一下,这样取出来的毛蛤肉半生不熟,够鲜嫩,但里面的各种细菌病毒不能被杀死,这次去病人家里做流调时,我们带了一些吃剩的毛蛤,检测结果两个小时后能出来。”

周老:“以前有报道泥蚶传播甲肝病毒,泥蚶也叫泥蛤,生长在淡水泥沙,能富集水中的甲肝病毒,我们连海市常吃的是毛蚶,也叫毛蛤、血蚌、毛蛤蜊,生活在浅海湾泥沙质海底,毛蛤同泥蛤一样,属软体动物门,双壳纲,蚶科,体内有肝样消化腺组织,具有浓缩和保存病毒的作用。上个世纪八十年代,上海市就发生过一起生食毛蛤引起的甲肝疫情爆发,二十多万人被感染。”

王笑笑觉得一阵毛骨悚然,“二十多万人?!一次甲肝疫情能波及这么多人?”

周老:“当时没有及时收集毛蛤样品,那个年代甲肝病毒的检测和培养技术又不成熟,传染源的确定一再被耽误,导致甲肝出现第二波、第三波高峰,所以总的发病人数才会那么多。如今我们甲肝检测技术成熟,应该会很快找到传染源。”

谷雅南再次分配任务,“周老和高飞去甲肝高发区的各个海鲜市场对毛蛤进行采样,陆离和王笑笑调查各个市场毛蛤供应来源。”

——

当天下午,周老和高飞从各个海鲜市场采集回来的毛蛤检测结果出来,部分市售毛蛤中检测甲肝病毒。

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