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The Logic Behind A 14-Day Quarantine After Travel Or COVID-19 Exposure : Shots - Health News What's behind the "14 days of self-quarantine" guidance after exposure to someone with COVID-19 or after travel from a place with a high number of cases? Think of yourself as a potential incubator.
NPR logo The Science Behind A 14-Day Quarantine After Possible COVID-19 Exposure

The Science Behind A 14-Day Quarantine After Possible COVID-19 Exposure

A sign on the M8 motorway last week in Glasgow, Scotland. Jeff J. Mitchell/Getty Images hide caption

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Jeff J. Mitchell/Getty Images

解析2015年中国家具消费趋势

Jeff J. Mitchell/Getty Images

To stop the spread of the coronavirus, health officials have a favorite refrain: After being in a city or region where there have been a lot of COVID-19 cases, spend 14 days in quarantine even if you feel perfectly fine — don't leave your house. Coming from New York? 14-day quarantine. Arriving in Hawaii? 14-day quarantine. Been in Italy or China or Iran recently? 14-day quarantine.

"That's a long-standing public health practice, and it's called 'traveler's quarantine,' " explains Lindsay Wiley, a professor at American University's Washington College of Law. "Fourteen days is not a made-up number here — it's based on what we know so far about COVID-19, and it's possible that over time we'll see that number change as we learn more [about the virus]."

The 14-day rule is widespread because public health agencies around the world work together on these guidelines. In the U.S., the APEC会场装饰材环保指标高于奥运工程 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

许多邦德电影主题曲听起来像酒吧表演歌曲。这不是抱怨,仅仅只是观察。无论出于何种原因,英国热门乐团杜兰杜兰发挥自身才能,为电影《雷霆杀机》创作了这首歌。曲调新颖,振奋人心。《雷霆杀机》是一首即使不依靠邦德电影也能成功的主打歌曲。歌曲轻松愉悦、活力四射,暗含一段令人沉醉的美好时光。(至于电影是否恰如歌曲讲述的那样尚有争议。)
500个品牌来自28个不同国家,其中近半(227个)来自美国。

['b?d?it]

扎克伯格还协助成立了一个名为FWD.us的游说团体,旨在推动美国的移民和教育改革。
Take solid and effective steps to cut overcapacity
The dip to the lowest level in five months came as some companies surveyed for the gauge noted that stricter environmental policies – intended to curb the toxic haze that descends upon much of China each winter – had restricted expansion.
一份产业报告显示,随着国内手机制造商加快创新,国产品牌手机仍占据国内手机出货量的主要份额。
We will work to ensure that our people have access to equitable and quality education.
The parallels between Snapchat, the upstart "sexting" service, and social media behemoth Facebook (FB) in its early days are uncanny. We all know how well Zuckerberg's long bet paid off (not to mention how thoroughly he vanquished those dastardly Winklevoss twins). Could Snapchat's future be just as bright?
室内环境:这栋房屋在1848年前后建成,上次翻修是在2008年。房屋前门上方有一扇气窗,侧灯的红色玻璃上蚀刻有叶形花纹。屋内一楼有一间带有顶冠装饰板条和两座壁炉的大客厅,其中的一座壁炉给这间正式的餐厅区供暖。客厅外是一间家庭娱乐室,内有凸起的护壁板、一个带有水槽的吧台和另一处餐厅区。那扇法式双开门通往一处铺着石板的露台。有些房间可观赏小纳拉甘西特湾的景观。
“…fell asleep.”

"The incubation period varies from virus to virus and sometimes from host to host," says Rachel Graham, a virologist at the University of North Carolina's Gillings School of Global Public Health.

For the virus that causes COVID-19 — its official name is SARS-CoV-2 — researchers have found that the typical incubation period is about five days. About 97% of the people who get infected and develop symptoms will do so within 11 to 12 days, and about 99% will within 14 days.

Canadian border agents are handing people entering Canada a sheet from the Public Health Agency of Canada that instructs them to self-quarantine for 14 days and monitor themselves for any symptoms that might signal COVID-19. Selena Simmons-Duffin/NPR hide caption

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Selena Simmons-Duffin/NPR

星期三,2014年春晚主持名单公布,包括了朱军、董卿、毕福剑、李思思和张国立。作为电影演员和导演的张国立会首次主持央视每年举办的春晚。
n. 发行物,期刊号,争论点

《生活真奇怪》
这家瑞士学校在2016年全球90个最佳管理学硕士项目中荣登榜首,连续6年夺冠。
这枚奖牌在拍卖会上以95万美元的价格成交,但是需要额外支付的买方佣金使得最终的拍卖价格达到116万美元。
美国和英国科学家基于数千份陆地和海洋的每日全球气温监测数据,得出上述发现。

n. 肩膀,肩部
The Norwegian Nobel Committee made the announcement Friday in Oslo, saying the three women will split the coveted award for "their nonviolent struggle for the safety of women and for women's rights."
谁都记得几个月前,哈里王子因为媒体对其女友梅格汉·马克尔的猜测而发表了出人意料的公报。
With executive compensation in the U.S. rising and the income gap only getting bigger, it's refreshing to see a CEO who cares about more than his own paycheck. Lenovo(LNVGF) Chief Executive Yang Yuanqing announced in September for the second year in a row that he would share at least $3 million of his bonus with roughly 10,000 of his workers. The generous decision was a product of the personal computer maker's record sales that year. The average worker payout is equal to roughly a month's pay for the typical city worker in China, according to Bloomberg News.
“If they, say, delay a customary process for Korean imports and take other retaliatory measures on Korean products, there is nothing Korea can do about it,” he said.

An illustration created at the U.S. Centers for Disease Control and Prevention conveys a likeness of the coronavirus that's behind the current pandemic. CDC hide caption

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CDC

尽管必须找到方法整合公民的观点,但始终会有缺陷。
de加强语义,sign标记,er表示人-做标记的人-设计者

CDC

多年来,西方排放量的缓慢减少,被东方排放量的日益增加所抵消。2013年,这种趋势仍在继续。中国的排放量增加了4.2%,印度增加了5.1%。中印两国一直在以极快的速度修建火力发电厂。
今年上榜的中国品牌有36个,其中8个进入前100名,包括国家电网(36)、中国工商银行(40)、腾讯(43)、央视(62)、海尔(76)、中国移动(79)、华为(81)和联想(90)。

Columbia Pictures克里斯蒂安?贝尔、艾米?亚当斯和布莱德利?库珀在电影《美国骗局》中早在1月份闹片荒的时候,人们不会想到今年会迎来如此多好电影。不仅如此,有几部影片甚至达到了被我们在心目中理想化了的那些老电影的水准。今年有两部电影脱颍而出。纯娱乐片方面,赢家显然是《美国骗局》(American Hustle),这部由大卫?欧?拉塞尔(David O. Russell)执导的影片讲述了上个世纪七十年代的行骗高手和他们的微妙骗术的故事,幽默诙谐,令人捧腹。而从创新角度看,《地心引力》(Gravity)的全新拍摄技术给观众带来了新的观影体验。人们普遍认为《美国骗局》无可挑剔,这部疯狂喜剧片是一部时代佳作。我个人则认为,《地心引力》是今年的最佳影片。
这些银行将钱返还给股东的能力有所下降。中央财经大学中国金融业研究中心主任郭田勇表示,缓慢的盈利增长和高额的不良贷款以及存款准备金给银行的资本金补充带来了压力。
The bigger Tesla gets, the more complex its operations become. Since it sells directly to customers and eschews franchised dealers, it will have to develop a network of service centers to handle repairs on the cars it sells. Its unusually generous warranty, which obligates it to buy back used cars for 50% of their original base price after three years, could create a second channel of used Teslas. “Tesla will be eating a lot of three-year-old cars that aren’t as sexy or rare as they were a year ago,” wrote one Seeking Alpha blogger. ‘To me, it sounds like a potential mess.”
docu[=doc教]+ment→用来教的东西→文件;证书

6. “Taxi”(Jafar Panahi)
品牌价值降幅最大的包括油气公司(仍因大宗商品价格处于低位而受到影响)和银行(面临着PayPal等支付系统日益激烈的竞争,PayPal的品牌价值增长35%)。
Purchase products like magazine racks, shelves, and desk organizers that will keep your supplies and resources in order and close-at-hand. We love the File File, $24.95, at CB2.com (pictured above).
欧盟正明确表现出,它希望利用美国在贸易上领导力的空缺来敲定新的贸易协议。欧盟在拉丁美洲与南方共同市场(Mercosur)的谈判时断时续,已经进行了10多年。但欧盟和阿根廷等南方共同市场的关键成员国正推动在今年年底前达成一项协议。这将成为一项重要声明,正好杵在美国的后院内。

Pop superstar Gaga also took home the award for best actress in a limited television series or movie for her role as the villainous Countess in American Horror Story: Hotel. The Born This Way singer made an emotional speech as she was awarded a Golden Globe for her role in the HBO hit.
单词pandemic 联想记忆:
13个原因
国家卫生健康委员会在上周五的一场新闻发布会上表示,2017年中国各高校共出现3077例新增艾滋病毒感染病例。
用这个背带背孩子更加方便舒适。

《琅琊榜》
“…was caught in a big lie on her resume during the meeting.”
然而,主要榜单上的排名大幅上升不会自动转化为欧洲商学院排名的上升。例如,牛津大学(University of Oxford)萨伊德商学院(SaBusiness School)在MBA榜单上的排名上升1位,在开放招生EMBA课程的排名上升5位,在EMBA榜单上的排名上升12名,首次进入该榜单前十名,但其在欧洲商学院榜单上的排名没有变化,依然是第10名。
单词extravagant 联想记忆:
单词adolescent 联想记忆:

Islands in China come with many restrictions on their use and just 50 years of ownership.
A host of examples of the demagogic route to power exists, in both past and present.
为了尝试遏制煤炭消耗量的增长,中国正在可再生能源和核能领域投入巨资,但尽管付出了这些努力,中国迄今为止依然是最大的温室气体排放国。中国每年因化石燃料燃烧和水泥生产排放100亿吨二氧化碳,几乎是美国的两倍,但美国的人均排放量依然远远高于中国。
6. Untitled Detroit Riots film

单词global 联想记忆:
Exports to both South Korea and Asean countries fell by about 3 per cent, however, while those to re-exporter Hong Kong dropped by more than 16 per cent.
以下将007系列电影官方主题曲按受欢迎程度由低到高进行排序。其中还荣誉推荐了两首有可能不属于官方歌曲的曲子。它们一样很好听。
1 February
n. 有价证券;担保;保证人;抵押物(security的
Madison Marriage is accounting and tax correspondent

Common 和 Day 将会演绎电影《马歇尔》中的歌曲《Stand Up For Something》还有Settle会演唱电影《马戏之王》中的歌曲《Thisis me》。
This is the second year running that Peking University has reached the height of No. 2 university.
n. 没精打采的样子,耷拉,笨人 v. 没精打采地站,坐

沙泽勒编导的音乐片《爱乐之城》是当晚的得奖热门,所获14项提名平了奥斯卡史上的纪录。沙泽勒获得最佳导演奖。而埃玛?斯通(Emma Stone)凭借她在这部由狮门娱乐(Lionsgate)制作的影片中的表演,赢得了最佳女主角奖。此外,《爱乐之城》还获得了最佳配乐和最佳原创歌曲奖。
Among the top 50 IT tycoons, five were born in the 1980s, including 33-year-old Cheng Wei, chief executive officer of Didi Chuxing.
但许多人预测将会出现经济崩盘,他们认为,旷日持久的欧元区危机加上房地产泡沫,将使相当大一部分中国工业失去盈利能力。这将暴露出各种隐藏的金融脆弱性,推动形成一场螺旋式下降。其他人认为,北京方面有充足的资源可以避免一场危机,不过他们指出,由于中国的增长模式依赖于基建和土地出售,且汇率和利率受到僵硬控制,它也许并没有所有必要工具。
相对而言,这一增幅超过城市居民同期平均薪资涨幅(17.4%)。
你觉得《乐高蝙蝠侠大电影》是一部儿童片吗?那你就大错特错了。这部影片充满了冷幽默和好笑的段子,欢乐中带着机智。总的来说,如果你喜欢《发展受阻》里的威尔?阿奈特,那你也会喜欢这部电影。