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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

建陶业盼借政策东风健康发展

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 智能家居琳琅满目选哪种 三大阵营齐齐看 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

A cheery New Year hold lots of happiness for you!给你特别的祝福,愿新年带给你无边的幸福、如意。
The below are 5 companies that stand out from the rest and are startups to watch in 2014.

8. Across the world,China will continue to flex its might with acquisitions and transactions. Theone million Chinese in Africa will continue their efforts to lock up naturalresources.

AT&T (T, Fortune 500) approved a stock repurchase of up to 300 million shares worth about $10.5 billion in March. The buyback is the fourth initiative announced over the past three years. Since 2012, when the company started its stock buybacks, it has repurchased 775 million of its shares.
At 36, women are about two years younger than men but senior positions are fairly well distributed between genders, with only slightly more women in relatively junior positions — 26 per cent of them are professionals compared with 24 per cent of men.
如果没有别的,很明显,夏天交易期并不代表NBA赛季的停止,它只是换了个档而已。
With China now not only “fully integrated”, but perhaps starting to retreat from this position as it brings more of its supply chain onshore, unless Africa can succeed in following China’s path, he adds: “I think we are going back now to a situation where we don’t think there is any particular reason for trade to grow faster than GDP.”
15. 有趣的巧合。环球影业是题材最具多样性的制片公司之一,它发行了《生活残骸》,也发行了《冲出康普顿》,还有《泰迪熊2》(Ted 2)。环球影业的女导演也是最多的,12月初,它占据了今年24%的市场份额。
在欧洲所有商学院中,高管MBA校友在毕业3年后的平均薪资为14.3万美元,管理硕士毕业生为5.4万美元。MBA毕业生平均薪资为12.3万美元。西班牙和德国的管理硕士毕业生在毕业3年后的薪资最高,均为平均7万美元。法国MBA毕业生和瑞士EMBA毕业生的薪资最高,平均薪资分别为13.7万美元和16.6万美元。
纽约人向专栏提出的问题,不仅取决于他们的个人情况,还取决于当今的重大问题,比如住房成本上升、士绅化、豆腐渣工程。最终,2014年成为了一个一切都在增长的年份,增长的包括房价、租金,以及最重要的——楼盘数量。根据纽约房地产委员会(Real Estate Board of New York)的数据,10月批准建设的单元达到了16700套。
报告显示,与2015年相比,2016年选择创业的应届毕业生比例明显下降,由6.3%降至3.1%。

"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

在这场新闻发布会上,国家卫生健康委员会负责疾病预防的官员王斌称,中国已经在预防和控制艾滋病方面取得了进展。
The passion for sport utility vehicles continues and the category contributed the most to the entire market, with about 784,900 units sold, a surge of 60.5 percent year-on-year. About 261,400 multi-purpose vehicles were sold in January, a jump of 15.9 percent from the same period last year.

北京正努力在年底前完成《区域全面经济伙伴关系协定》(Regional Comprehensive Economic Partnership,简称RCEP)。该协议长期以来被称为中国面对《跨太平洋伙伴关系协定》(Trans-Pacific Partnership agreement,简称TPP)的对策,以及代表了中国争取区域贸易霸权的努力。
8. 斯特吉尔·辛普森(Sturgill Simpson),《乡村音乐的大现代之声》(Matamodern Sound in Country Music),High Top Mountain。一支极为聪敏的乐队做出复古的改革:乡村乐中曾经发生过这样的事。但在斯特吉尔·辛普森突破性的第二张专辑中,他把这一点变成了可适应环境的标志,就建立在他那动人而通透的男中音之上。
马云及其家族在IT行业的财富总额为1950亿元;腾讯控股创始人马化腾位居第二,其财富同比上涨了30%,至1340亿元。
《战地神探》(Foyle’s War),acorn.tv,2月2日播出。去年流媒体服务网络Acorn TV放完了《大侦探波洛》(Agatha Christie’s Poirot)的最后三集,如今又带来另一部传统英国推理剧,这部超级剧集在英国已经拍到第九季,在美国还是首次播出。迈克尔·基臣(Michael Kitchen)在剧中饰演克里斯托弗·弗伊(Christopher Foyle),一位可敬而又狡黠的侦探,这部剧多年来从一部“二战”后方警探剧演变成勒卡雷(le Carré)式的冷战惊悚剧。新的几集中有纽伦堡审判以及英国在巴勒斯坦所扮演的角色。

Now analysts believe the opportunities for profitable growth are nearly exhausted, according to Chen Long of Gavekal Dragonomics, a research group.
The first wearable computer glasses were made by Edward Thorp and Claude Shannon in 1961. In 1968, Ivan Sutherland made the "Sword of Damocles." It was the first head-mounted computer display and an early variant of all wearable computer glasses we have today. In 1980, Steve Mann, known today as the father of wearable computing, made the "WearComp", a pair of tech-enhanced glasses that was capable of communicating wirelessly with other computers and could share videos. He continued to work on the glasses over the years, and by 1999, he had come up with a pair of glasses that looked like Google Glass, or rather, that Google Glass looks like. He called it the "EyeTap."
Tencent has been helped by agreements to pre-install software with Chinese handset makers who sold increasing numbers of handsets abroad in recent years, particularly in emerging markets, according to Mr. Wang.
天文学家在2016年宣布,LIGO阵列检测到了两个黑洞碰撞所释放出来的引力波,证实了爱因斯坦广义相对论的关键部分。研究人员因这项发现而获得了诺贝尔物理学奖。但是研究人员的发现仍未结束:10月,科学家们监测到了两颗中子星的碰撞,不仅听到了碰撞造成的时空涟漪,而且还用性能强大的望远镜在光学上确认了这一事件。中子星的碰撞被认为是宇宙中所有重金属的来源,包括黄金和白银,LIGO的探测有助于验证有关宇宙化学形成的解释。
根据这份由互联网薪酬调查及报告提供商中国薪酬网发布的调查显示,清华大学2017届毕业生平均月薪达9065元。

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

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“The steady and now record-breaking rise in average global temperatures is not an issue for another day,” Michael R. Bloomberg, the former New York mayor who is spending tens of millions of dollars of his personal fortune to battle climate change, said in a statement. “It’s a clear and present danger that poses major economic, health, environmental and geopolitical risks.”

CDC

莱蒂齐娅·巴塔利亚按时间顺序为当地一家报纸记录了七八十年代巴勒莫的黑手党战争。如今,她的照片被一些博物馆和回顾展收录。
His footballing rival Lionel Messi - who the 31-year-old beat to be crowned the World Player of the Year in January - was second on the list, taking home pound 56 million in 2015/16.

两间卧室位于二楼,其中包括主卧,该卧室是一个大套间的一部分,这个套间里还有一座壁炉、一间步入式衣帽间和一座可俯瞰海湾的阳台。走廊边的一间办公室也通往这座阳台。其他的卧室都在三楼。其中有一间可通过山墙上的扇骨半圆窗俯瞰海湾。
Mr Talbot notes that regulators in Japan are encouraging fee-based sales with a new fiduciary code and other measures that will play to the low-cost appeal of ETFs.
11月24日至25日,苏富比举办慕尼黑第四代交易商康拉德·伯恩海默(Konrad Bernheimer)的藏品拍卖会,他拥有历史悠久的伦敦科尔纳吉画廊(Colnaghi)。65岁的伯恩海默决定缩小自己的业务,关闭慕尼黑的画廊,卖掉巴伐利亚的豪华宅邸马尔库斯泰恩城堡(Marquartstein Castle),将科尔纳吉画廊与伦敦的Coll & Cortes画廊合并。
互联网P2P借贷平台在中国发展迅猛,但随之而来的是众多的诈骗案件。

007系列电影主题曲第九名:露露--《金枪人》
James Bond Themes 1. "Goldfinger" by Shirley Bassey
It’s not clear which group of Dutch lenders was wrong. It’s possible that the Seppenwolde lenders ignored the evidence about broader financial conditions and were too pessimistic. It’s also possible that the other lenders were too casual in brushing off the implications of the East India mess. Either way, the Dutch episode suggests that even sophisticated investors become optimistic or pessimistic for myopic reasons.
也许同等重要的是,稳定或者下降的油价将会缓解通货膨胀压力使美国工人的工资更具有购买力。Renaissance Macro经济学家Neil Dutta 称“这对于国内需求来说是一个明确的积极的消息,人们将会有更多可以用来消费的钱”。

Walker places sixth thanks to Fast & Furious 6, the biggest hit of his career. He had finished shooting much of Fast & Furious 7 before the tragic car accident that took his life. Word is Universal won’t reshoot the film and will work around the actor’s death.
manifesto
射箭、射击、铁人三项、现代五项ykXdDI-D*%c]。
项目长度:13至15个月
他们必须发自内心地明白,通过操纵选举、打击异见或者骚扰反对派让临时权力永久化是不合法的。

2015年最需要迎头赶上的品牌:由于产品线陈旧,大众今年的销量下降了11%,影响了费迪南德o皮切的“称霸全球”计划。沃尔沃的销量则下跌了17%,自从被中国车企收购后,该公司至今还没有任何进步。
截止发稿时为止,在中国社交媒体上仍然能够找到一些被泄露的照片和视频。
替代燃料:自从柴油车于上世纪50年代从欧洲进入美国以来,人们对柴油车的热情首次冷却殆尽,取而代之的是马力高得吓人的雪佛兰CamaroZL1(580匹马力),和707匹马力的道奇挑战者SRT地狱火等车型。另外,续航里程更长的燃料电池汽车也开始登上舞台,从电池动力汽车那里抢走了不少风头。
Harry Potter fans, it's time for another movie. A prequel to the Harry Potter films, Fantastic Beasts and Where to Find Them follows the adventures of Newt Scamander in an ancient New York. It is based on the Hogwarts textbook in Harry Potter by the same name.
作为2014年资本计划的一部分内容,这家总部位于加州旧金山的银行表示将把股票回购量增加3.50亿股,总额达到近170亿美元。它还将派息提高约17%,达到了每股0.35美元。

"Everywhere I go business owners are seeing an increase in demand," said Gus Faucher, senior economist at PNC Financial Services. "Businesses will have to raise wages to attract or maintain workers."
《大唐荣耀》于1月29日首播,在国内人气影评网站豆瓣上获得7分的评分(满分10分)。
“阅后即焚”社交网络的兴起
在你面试应聘者的时候,有些人得分较高,你认为应该他能得到这份工作,但是招聘主管却改掉分数,招那些他喜欢的人。

……太紧张,差点昏过去。
8. 不论何时开始都不算晚。
It was addressed to Clark C Moore, who has since changed his name to Muhammad Siddeeq, making it hard to trace him.
杨燕绥说道,为确保该计划顺利进行,中央政府必须夯实统筹基础养老金,做大职业年金,管好个人账户。
Good luck, good health, hood cheer. I wish you a happy New Year.
Are the political upheavals of 2016 — Brexit and America’s election of Donald Trump — a triumph of democracy or a threat to it? Democracies must respond to legitimate grievances.

According to the report, people living in first-tier cities such as Beijing, Shanghai, Guangzhou and Shenzhen suffer much higher economic pressure, while fourth-tier and smaller cities offer fewer job opportunities and connection plays an important role in every aspect of life there.
马特达蒙凭借他在《火星救援》中扮演的被困宇航员一角而荣获喜剧类最佳男主角奖项。
Some 18.1 million people, for example, want a good full-time job but can't find one, an unusually high number 5 1/2 years into a recovery. And despite a sharp decline in the number of people out of work six months or longer, that figure is still higher than at any time before the 2007-09 recession.

10.《萤火虫》灵感来自葛底斯堡战役
Thus assuming that type D personalities lack social interest is not correct but the right thing is that they might be interested in people but afraid to approach them because they fear rejection.
在不到一小时前,11月中国官方制造业PMI指数公布,为49.6,是连续第四个月收缩,也低于经济学家49.8的预期。在谈到这一PMI指数时,澳新银行(ANZ)分析师表示:“由于增长势头疲软和通缩压力加剧,我们预计当局会进一步放宽货币政策并继续实施扩张性财政政策,以阻止经济在2016年进一步放缓。”
一份调查报告称,2014届中国大学毕业生的就业满意度为61%。
11月18日