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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

谈谈汇率波动对建筑企业会计科目的影响

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 一线城市楼市库存减少 存销比见顶回落 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

北京有一个global的厅
提问

汉达·阿亚里谴责激进的伊斯兰教,制造了一场风暴。现在,在#我也是 运动的鼓舞下,她指控牛津大学的一位教授强奸她。

vt. 凌辱,激怒
至于英国,官方虚构数据同样盛行。英国国家统计局(Office For National Statistics)周二公布,以由来已久的零售价格指数(RPI)衡量,去年12月英国通胀率上升至4.1%。该数字纯属胡扯,英国国家统计局对此心知肚明。该机构告诉人们RPI“没有达到规定标准”,不能作为合格的通胀指标,但自2012年以来该机构一直拒绝采取措施来改善该指标并使之贴近3%的整体通胀率。
The Death Proof star's early success was on the independent film circuit. But then she met Harvey Weinstein in a hotel room and it is there that she alleges he raped her.
DIHK's foreign business chief Volker Treier said the volume of goods exported to China from Germany grew rapidly in the latter part of 2016, Chinanews.com reported.
Apple Inc., Alphabet Inc.'s Google, and Coca-Cola Co. topped the list of the world's 100 most valuable brands in 2016, while technology and automotive brands dominated the overall rankings, according to a new report from brand consultancy Interbrand.
deprivation
2010年英文新年祝福邮件
支持两国之间双向旅游的最新倡议包括以下几点:审查10年旅游签证;安排开放的航空市场服务以消除双方航空公司的所有容量限制;Qantas航空公司于1月推出北京到悉尼的新服务等。

"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

提升科技创新能力。
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。

实际上,去年新出炉的炒鱿鱼委婉用语(euphemisms for firing people)跟往年的产量差不多。Infosys宣称“井然有序地实现了一次3000人的人员递减”。Upworthy,一家规模不大的媒体公司,在解雇了14名员工后竟然大言不惭地称这是一次“投资性裁员”。反言之,2016年最极品的行话体现出的不是失败,而是兴奋过头。
Chinese Premier Li Keqiang delivers a government work report during the opening meeting of the fourth session of the 12th National People's Congress at the Great Hall of the People in Beijing, capital of China, Mar 5, 2016.
戈尔迪·霍恩(Goldie Hawn)曾因影片《仙人掌花》(Cactus Flower)获最佳女配角奖,她的奖杯坐落在一个非常富有禅宗气息的地方——她的“印度房间”,她常在这里冥想。她的小金人并不是唯一一个和主人有共鸣的奖杯,罗素-克洛(Russell Crowe)曾在影片《角斗士》(Gladiator)中身着罗马战士裙装,扮演了一个威猛、极具感情和个性的古罗马战士--司令官马克西姆斯,他的奖杯放在鸡舍中,因为克洛相信小金人能够保佑母鸡下出更大的鸡蛋。
In my adolescent years on the foothills of Himalayas, I had a friend we all referred to as the "dreamy guy." He would spend his days enjoying the smallest of things – color-tagging butterflies, counting peaks on the horizon, making stories out of cloud formations. He was a happy soul, deeply receptive to life's beauties and easily excited. I knew this guy many years ago and I thought about him today as I sat down to write this piece for you, dear class of 2013.

adj. 犯罪的,刑事的,违法的
一定要展现自己过人的智慧,努力地表现出心神不定的样子。把那些社交技巧抛到脑后吧!
[i'nili]
The top SUV maker and MPV maker last month are familiar to all: Great Wall Motor and SAIC General Motor Wuling stayed on their segment thrones. SAIC Volkswagen also maintained its crown in the sedans and hatchbacks segment.
2月CPI同比上涨2.3%,高于预期的1.8%,为2014年7月以来最大涨幅。1月CPI同比上涨1.8%。

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

File this under "great, yet stupid gift ideas." The BOx bottle opener claims to be the "world's first smart bottle opener" but it's not groundbreaking. This bottle opener sends a message to your friends via Messenger every time you open a bottle — crazy, right?
你本应该享受生活,不该时时刻刻感到压力。如果你的大部分时间都在为工作的是感到压力很大,说明你没有得到一份好的工作。

CDC

复仇史诗电影《荒野猎人》获评剧情类最佳影片。小李子和导演伊纳里图一同上台领奖。
汉口滨江的居民数周前就已将财产转移。

8.表达感激之情
'He does smoke cigarettes, he smokes many, many cigarettes.
vt. 超过,胜过,超出界限
减薪前奥朗德的年收入为25.56万欧元(约合27万4522美元),仅次于美国总统奥巴马。但现在他的年收入仅为19.87万美元。众所周知,他的御用理发师年收入高达13.2万美元。

时间:2011-11-03 编辑:Lily
他称:“有色钻石的市场门槛设置得非常高,因为它们实在太稀有了。”
The alternative analysis is that the shift we have seen over the past three years is the beginning of a long-term structural shift which will see energy prices materially lower in real terms in the next half century than in the last. Those who take this view believe, to put it very simply, that the likely growth in supply is stronger than the growth in demand.
1、阅兵仪式

“我们做事情不是为了追求利润,我们做事情,是因为这些事情是正确和公正的,”库克咆哮道。他说,不管是为了人权、可再生能源还是为有特殊需求的人们提供帮助,“我不考虑该死的投资回报率”。“直截了当地跟你说,如果这是你考虑的硬性因素……那你还是把苹果股票卖了吧。”库克的语气严厉,毫不妥协,那是苹果员工或许永远不希望面对的一个声音。
Song “Fire In The Winter”(Kenji Wu and Dream Chorus)
而新上榜的中国公司则包括万科、中铁公司和中国太平保险。
Local champions
就算油价在2015年有可能反弹,但是油价几乎不可能再短期内回到100美元一桶,除非在世界主要产油地区发生广泛的地缘政治危机。所以这份礼物将在2015年得到持续并且长久的促进美国经济的加快复苏。

中国的网红经济发展到今天,经历了三个阶段:第一个阶段是文字时代,第二个阶段是图文时代,现在这一阶段是要归功于宽带的可用性的视频时代。
有时候,人们误以为这种冷静是缺乏紧迫感,而在瞬息万变的科技业,紧迫感至关重要。许多人对于Apple Watch今年还未上市感到失望。但分析师表示,苹果的风格就是一定要等到产品至臻完美,这常常会带来更强劲的长期业绩。三星(Samsung)的智能手表已推出第六代,但至今没有真正大火起来,其今年的智能手机销量也大幅下挫。
embrace
位于芬兰赫尔辛基的开发商Remedy Entertainment通过之前的作品《英雄本色》(Max Payne)和《心灵杀手》(Alan Wake)模糊了好莱坞和游戏之间的界限。如今,这家工作室将次世代的图像技术与紧张气氛和电视剧剧本结合了起来。故事设置在Riverport大学城,玩家将控制杰克o乔伊斯和贝斯o怀尔德。这两人原本是普通人,但在一次导致时间裂缝的意外中,他们获得了操纵时间的超能力。在游戏过程中,时间体系会随时崩溃,导致环境中的时间暂停、断续、倒流和冻结。玩家在游戏中会与帝王联盟(Monarch Corporation)展开对抗,喜欢《英雄本色》中子弹时刻的玩家,可以在放大时间因素的枪战中寻找新的战略。除了虚拟的故事情节,游戏还采用了定制的实景真人叙事模式,根据玩家的不同选择将产生不同的后果。
精准加力补短板。

Online programmes appeal more to senior professional students than those who take full-time programmes. Participants on online MBAs are aged 34 on average compared to 28 for full-time participants. Online students are also more likely to seek a promotion following the course with their existing employer. While the majority of full-time MBA graduates (90 per cent) worked for different companies three years after graduation, only about 55 per cent of online graduates did so.
"We're excited to have these talented artists showcase the powerful contribution music makes to filmmaking," the show's producers Michael De Luca and Jennifer Todd announced in a statement on Friday. "It's a privilege to welcome them to the 90th Oscars stage."
这部由塞巴斯蒂安.马拉比(Sebastian Mallaby)所著的《知者:格林斯潘传》(The Man Who Knew),是这项奖金额为3万英镑的奖项的第12位获奖者。该奖项奖励的是年度“最令人瞩目和愉悦的”图书。
Theresa May is still facing resistance from within her own party. Vince Cable, the Liberal Democrats’ sage and leader, still thinks Brexit may not really happen.

The most popular variation of this line is “Don’t fantasize about big sister: I am only legend.”
1.《宋飞正传》"踢脚舞"一集差点流产
2Canada
A total of 3,077 new cases of HIV infection took place in colleges and universities across China in 2017, according to the National Health Commission (NHC) at a press conference on Friday.
The survey of 11,500 workers by Chinese employment agency Zhaopin found that 50.9 per cent did not get an annual bonus at the end of 2016. Another 9.6 per cent were told their bonus had been delayed until after the new year holiday.
与此同时,中国12月消费者物价指数(CPI)略升至1.5%,11月为1.4%,为5年低点。

西藏自治区计划到2017年帮助至少13万农村人口脱贫,重新安置16.3万人。
祝节日幸福如意。
The low reading was driven by a fall in the production component, whereas the forward-looking new orders component increased for a sixth straight month.

The untitled movie revolves around two intersecting love triangles, obsession and betrayal, set against the music scene. It stars Christian Bale, Cate Blanchett, Michael Fassbender, Ryan Gosling, Rooney Mara and Natalie Portman.
And this year, the Nobel Prize has defied the convention of celebrating big by presenting the biggest prizes to discoveries on the smallest scales.
Belgium, for example, has less than a tenth of the population of Russia, its rival in the group stage, but is regarded as a far greater threat. And then there is Uruguay, which despite fewer than 4 million citizens -- barely a sixth of the population of greater S?o Paulo -- is one of the teams Brazil would least like to meet on its way to the final. How is this so?
11. “The Black Panthers: Vanguard of the Revolution” (Stanley Nelson)
Taken together, these events and strategic initiatives highlight the Chinese aerospace industry’s realization that, in order to become a globally competitive player, it will need depth as much as breadth. After getting their hands on both ends of the value chain—aircraft design and final assembly—the Chinese now understand that what will make or break their industry over the long term is what happens in the middle of the value chain, at the component and subsystem levels. And that is why China’s ambition to compete with Boeing and Airbus, as well as with GE and Rolls-Royce for aircraft engines, is now more credible than ever.