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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

央行“双降”后 二手房房贷咨询量不升反跌

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 应对市场变化南安9家家装建材企业抱团让利 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

根据考试结束后网上发布的考题和部分考生的反馈,今年的考题难度适中,长征火箭、我国外交事务、"玉兔"月球车和大学生创业等政治和社会热点问题都有出现。
读:口齿-教练要求口齿伶俐。

在成为德国最大贸易伙伴之前,中国是德国在亚洲的最大贸易市场。在过去两年里,德国一直是中国在欧洲最大的贸易伙伴。

n. 高兴;快活
The spread of HIV through drug injections has been effectively controlled. In 2017, the number of people infected through drug abuse was 44.5 percent lower than that in 2012.
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。
6)乐意效劳:通过此句话的微妙提示所起的作用,可以使某一关键内容得到强化的效果。你乐意帮助别人。无论什么时候,他们需要你的帮助,你都在场。而且,你是乐意效劳的。
Best Companies rank: 63
7.思想控制仿生腿
The workers, who were part of a crew building a football stadium, were taken in the mainly Shi'ite Habibiya district in northeastern Baghdad.
由于州政府和市政府试图打击不法的旅馆经营者,明年可能会出台一项规定。而与此同时,房产租赁网站Airbnb将游说政府改变法规。“你会看到,规范这一市场的要求会变得更加迫切。”代表租户的律师塞缪尔·J·希莫尔斯泰因(Samuel J. Himmelstein)说。

"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

他说,到1997-98年亚洲金融危机爆发时,美联储的回应已变得更加迅速,它退出了紧缩周期,担心东南亚的动荡会影响美国经济。
在线项目比全日制课程更吸引作为高级专业人士的学员。在线MBA学员的平均年龄为34岁,而全日制MBA学员为28岁。此外,在线学员更有可能在课程结束后寻求在现有雇主那里获得升职。全日制MBA毕业生(90%)在毕业3年后多数都跳槽了,但只有约55%的在线毕业生会这样做。

Are Some Molds Dangerous?
单词petroleum 联想记忆:
蒙塔纳里表示:“澳大利亚表现突出,它在从佣金模式转为收费模式后蓬勃发展。这将是一件改变亚洲ETF市场游戏规则的事情。”
British schools outperform the French on both new criteria. Warwick Business School, the top UK school for career progress, is second overall for the criterion, 30 places above the first French school, HEC Paris. Alumni from UK schools also see a higher increase between their first salary after graduation and now, at 62 per cent versus 45 per cent. However, UK school alumni still have a lower salary on average than their counterparts who studied in France, at $55,000 versus $64,000.

1950年世界杯决赛,巴西1比2不敌乌拉圭,与冠军失之交臂。对现在的巴西球迷来说,那依然是一段令人痛楚的耻辱史。如今,贝尔蒙特老爷子已经85岁高龄,他希望能够看到祖国重拾桑巴荣耀。“我希望巴西再次夺冠。”他说。“这是我们的复仇之战,我很想去看。”
在不久的将来,罗根(休?杰克曼饰)已迈入暮年。他在墨西哥边境附近的一个藏身所里照顾着重病的X教授(帕特里克?斯图尔特饰)。他计划隐世度日,但他遇见了一个非常像他的年轻变异人劳拉(达芙妮?基恩饰)后,这个计划搁置了。罗根必须保护这个女孩,与要捕杀她的黑暗势力斗争。
包括圣诞购物季在内,第四季度的电脑出货量共计7190万台。IDC方面表示,这是自IDC公司开始追踪该数据以来最大的降幅。
Brazil
"It is a massive jump in very little time: there were just about 30 cases when I became interior minister (in mid-2012), and 1,400 today," said Valls.

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

dealing
While the currency exchange limit has not changed, individuals are now required to disclose specific details on how they will use the funds. Funds can only be used towards current account spending such as tourism and shopping, overseas study, foreign medical care and consulting services. Real estate and other investment spending are explicitly forbidden.

CDC

A lone European telephone bidder paid a top price of 9.1 million for a smaller 1825 version of John Constable’s admired but difficult-to-love 1824 vertical landscape, “The Lock,” that had been in the same British family since 1855.
就这一点而言,他预计美国投资会回升,“因为投资一直太弱——除非在经济衰退期,我们通常不会看到投资增长低于消费增长”。

基准原油价格上周跌破每桶40美元大关,至六年最低位,导致投资者对大宗商品相关企业和出口国家(包括巴西、俄罗斯和南非)情绪更加黯淡。
Blake Griffin's high school appearance isn't that far off from how he looks today. Just add some hair and some size to his biceps, and you've got Blake Griffin today.
人社部发言人李忠表示,2016年第一季度。我国的就业形势总体保持稳定。不过他补充说道,经济下滑和结构改革,使就业更困难。
如果你认为一开始准确判断应增持和减持哪些行业的股票是件难事,在年内不断调整投资组合更是难上加难。11月,野村证券一位定量分析师向《巴伦周刊》表示:“行业领军者每个月都在变换,其变化速度之快,在股市数十年未见。即便你选对了某行业的个股,由于市场环境瞬息万变,业绩也根本无法持续。”

总部位于纽约的世界品牌实验室编纂并于上周一发布了《2016世界品牌500强》榜单,苹果公司夺得了第一名的宝座。
但是,尽管他预计2017年第一季度的“出口会显著回升”,这位瑞银人士强调不要过于乐观。他认为,同比增长将会减弱,甚至可能在2017年下半年变为负增长,因为在2017年全年,“出口量不会大幅增长,而(去年大宗商品价格疲软)的基数效应将会减弱”。
2014年即将成为历史,各路股市专家也终于可以松一口气了。
While Jaws's story is extremely unrealistic, it was based on a real series of deaths attributed to a single shark in 1916. In what has been dubbed the "most unique set of shark attacks that ever have occurred," the Jersey Shore saw four people die from shark bites over the course of two weeks. The offending shark was reportedly caught with body parts still in its digestive tract, although leading scientists still aren't sure what drove it to attack so many people.

总之,勒布朗在过去的9年里能很好地强化他那野兽般的身躯,我们感到很欣慰。
追踪中国服务业增长的财新PMI指数将于下周二发布。
江苏、山东、浙江、河南和四川的经济总量排名紧随其后,名次与2015年相同。
然而,至少有两名哈佛教授对取消入学资格的做法表示质疑。哈佛大学法学院荣誉教授艾伦?德肖维茨告诉《卫报》,学生们因互相之间“开非常恶劣的玩笑”而失去哈佛的入学资格,这样的“惩罚太苛刻”。
receptive

其他的欧洲国家生活成本在增长,排名有进步。伦敦上升了5个名次,并且进入前十。
英国剑桥大学(University of Cambridge)佳奇商学院(Judge Business School)的排名上升5个位次,至第5位。这不仅是该学院首次跻身前5名,而且还是伦敦商学院在这个榜单上首次失去英国最佳商学院这个头衔。
vt. 挖去果核
? President Obama declared a "major disaster" in New York and New Jersey. Flooding devastated the coast and more than 2.3 million lost power. The National Guard rescued hundreds from flooding in New Jersey. The governor, Chris Christie, a Republican, said the damage was "unthinkable". He praised the "outstanding" co-operation he had received from Obama.
骑行背带可以取代折叠式婴儿车和大背带,带孩子外出时携带这些物件常让家长感觉更加笨重麻烦。

2013 Rank: 3
我们就是要用政府的“痛”换来企业的“顺”,让企业轻装上阵,提高竞争力。
Will Washington's tentative truce continue?
007系列电影主题曲第二名:蒂娜·特纳--《黄金眼》

British schools outperform the French on both new criteria. Warwick Business School, the top UK school for career progress, is second overall for the criterion, 30 places above the first French school, HEC Paris. Alumni from UK schools also see a higher increase between their first salary after graduation and now, at 62 per cent versus 45 per cent. However, UK school alumni still have a lower salary on average than their counterparts who studied in France, at $55,000 versus $64,000.
提供就业指导工作的北京新锦程研究院的执行院长张景岫表示,他并没看到高校学生的创业意向有降低的趋势,但是他承认学生的自主创业意向很低。
凯特·温斯莱特(Kate Winslet)是另一位将其最佳女演员奖杯置于洗手间的英国演员。她因在2008年一部改编自本哈德·施林克(Bernhard Schlink)的小说《生死朗读》(The Reader)的同名影片中扮演一位集中营的看守而获此殊荣。
华莱士对一切说“好”说了一年,然后写了这本书。这个尝试既促进了他的事业,也把他带进过邪教集会。不过,电影没说的是,华莱士曾在数不清的钓鱼网站注册。显然,一直说“好”在现实生活中可不是一帆风顺。
“This is a historic moment for Puerto Rico,” said 50-year-old Jose Davila as he waved a large flag from Rossello’s pro-statehood party. “He’s the hope of our island, he’s the hope for statehood, he’s the hope for a people that have suffered.”
据《重庆晨报》报道,经调查后,荣昌警方于4月29日以危害公共安全的罪名逮捕了周某。

The Asia-Pacific region was the main driver of international growth at movie houses, up 13%, and China accounted for nearly half of the entire Asia-Pacific total.
No.35 娜塔丽·波特曼娜塔丽·波特曼(Natalie Portman ,1981年6月9日-),出生在以色列,美国好莱坞著名女演员之一。她曾获得过金球奖,并获得奥斯卡奖提名。美国哈佛
单词debut 联想记忆:

adj. 古怪的,反常的,不同圆心的
在接下来几年里,大型住宅楼盘必须遵守第87号本地法(Local Law 87)——该法要求楼盘审核能源使用量,并保持系统以最高效率运行。住宅楼是纽约市最大的温室气体排放源,其排放量占总量的37%。“能源是一大热门话题。楼盘怎样提高能源效率?”管理着超过500处房产的FirstService Residential New York的总裁丹·沃泽尔(Dan Wurtzel)说,“如果运营预算的三分之一来自能源耗费,而现在你可以降低这块成本,那么上涨维护费的压力就减轻了。”
“尼克是一位优秀的产品思想家,”雅虎移动与新兴产品高级副总裁亚当卡恩(Adam Cahan)说,“他的确代表了他在思索的事物和‘移动’真正内涵的跨世代转变。新一代不仅仅是以移动为先,而且是以移动设备为唯一上网工具。这是一种不同的视角。”
在苹果(Apple)的蒂姆库克(Tim Cook)支持AR后,该技术可能是更大的机遇。苹果最新操作系统及新款手机iPhone X纳入了AR技术。
The clip, taken on a mobile phone, starts with the crowd singing the Frankie Valli lyrics: You're just too good to be true, can't take my eyes off of you'.