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流感 flu

宣布工夫:2018-05-16内容泉源:VOA英语学习网

流感

flu

请看例句:

Flu outbreaks are up across China compared with previous years, but the epidemic remains at normal levels and is much less severe than the SARS outbreak, said He Xiong, deputy director of the Beijing Center for Disease Control and Prevention.

北京市疾病防备控制中央副主任贺雄日前表现,天下范畴内流感迸发的病例数目与今年相比有所添加,但疫情仍在正常程度,其严峻水平与SARS迸发相去甚远。

时节性流感病毒(seasonal influenza virus)分为甲型(influenza A viruses)和乙型(influenza B viruses),此中甲型分为甲1型(H1N1)和甲3型(H3N2),乙型分为B/Yamagata系和B/Victoria系。依据国度卫计委果信息,现在我国有三种型另外流感病毒同时盛行,即H1N1、H3N2和乙型Yamagata。中国疾控中央副主任冯子健表现,今冬的流感劣势毒株(dominant flu strain)乙型Yamagata已多年未盛行,招致人们对其缺乏免疫力(lack of immunity against the strain),易动人群增多。这是今冬流感爆发起数高于均匀程度的次要缘由(the major reason for the higher than average flu outbreaks this winter)。

据天下卫生构造官网引见,时节性流感是一种急性病毒熏染(an acute viral infection),很容易在人与人之间传达。时节性流感的症状有:突发高热(sudden onset of fever),咳嗽(通常是干咳),头痛,肌肉和枢纽关头痛(muscle and joint pain),严峻身材不适(severe malaise),咽痛(sore throat)和流鼻涕(runny nose)。少数人在一周内病愈,发热和别的症状消逝,无需就医(recover from fever and other symptoms within a week without requiring medical attention)。但咳嗽会很严峻,可继续两周或两周以上。

各种人群均有能够熏染流感病毒,但是孕妇、5岁以下儿童、老年人、慢性病(chronic medical conditions)患者以及克制免疫类疾病(immunosuppressive condition)患者熏染病毒当前病情减轻或患并发症的危害会更高(at greater risk of severe disease or complications when infected)。疾控专家表现,以后的时节性流感与SARS在病原(pathogen)、传达力(transmissibility)、致极力(lethality)方面都有所差别,"往年乙型流感堪比SARS"的说法并不靠谱。随着本月学校开端放暑假,流感顶峰季将同往常一样呈现回落(the peak season for flu will trail off as usual)。

[相干词汇]

禽流感 avian influenza

安康恐慌 health scare

疫苗 vaccination

抗病毒医治 antiviral treatment

团体防护步伐 personal protective measure

来自:千亿国际文娱网页版_千亿国际文娱|www.qy449.com 文章地点: http://www.tingvoa.com/html/20180516/flu.html