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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

深圳楼市供给侧革命:商品房供应是去年两倍

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 万科:对未来业务增长有信心 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

肠道细菌正以我们想像不到的方式干扰着我们。新的研究指出,像帕金森综合症等神经退行性疾病实际上可能始于肠道,而不是大脑。越来越多的证据显示,慢性疲劳综合征可能要归咎于人体内的微生物群系。随着肠道细菌显示出控制食欲以及改变大脑结构的迹象,而且有引起大脑损伤而导致中风的表现,我们的这个小过客(肠道细菌)有着不容忽视的力量。
学习有难度的课程

全球收入最高的女星排行榜4-10位:

Will the Saudi Aramco public offering debut on an international market
Nevertheless, as New Yorkers grow accustomed to a sharing economy, buildings might ultimately have to embrace it.
产品看起来并不太像一个鼻子,而是一个瓶子,装满了培养细菌的营养液体。但是给这个“鼻子”一个血液样本,让它嗅上一段时间,这个瓶子的斑点会改变颜色来表示它鉴别出的细菌种类。
交通运输部新闻发言人徐成光通报称,未发现更多生命迹象,搜寻到生还者的希望"非常渺茫"。
The Magic have bounced between average and bad, and they're currently on a downswing. Now Aaron Gordon and Nikola Vucevic are coming off the bench and Mario Hezonja is buried.
2014届大学毕业生工作半年后,平均月收入为3487元,较2013届的3250元、2012届的3048元有了较大增长。
The inclusion of three turbodiesel engines this year could be considered controversial, especially as diesels remain far less popular in the U.S. than in Europe, where they tend to dominate the discussion. This is the first year in which more than two diesel-powered mills made the top 10 list and ironically two of them come from domestic automakers, including the only current full-size domestic half-ton pickup to offer one, the Ram 1500.
[k?n'denst]

"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

In the tweet, Obama quoted Nelson Mandela, "No one is born hating another person because of the color of his skin or his background or his religion..."
A new MIT white paper, ominously entitled "Are You Prepared for the Supply Chain Talent Crisis?," bears that out. Supply chain managers need sophisticated tech skills, sure, but they also have to be adept at "high-order diplomacy," expert at general business strategy and problem solving, and able to "thrive in ambiguity," the study says.

托米?韦素与格雷戈?泽斯特洛在旧金山一堂表演课上相识。格雷戈梦想着能在好莱坞崭露头角,搬来了旧金山,加入了托米的电影拍摄。托米自己出资,自导自演了《房间》(The Room)这部电影,后来该电影被批得体无完肤,很多人视其为邪典电影的经典。
2011年在达洛伊西奥15岁时,他就曾获得来自李嘉诚的种子投资。一年之后Summy发布,并在短短一个月内吸引了500,000名用户,在28个国家登上了新款应用软件热度榜的首位。对于一个连高中都还没毕业的人来说,雅虎的收购可谓意义深远。不过,达洛伊西奥的过人之处可不只是技术知识丰富这一点。在他连胡子都不用刮的时候,他就强烈向往、渴望著有朝一日能在科技领域做出一番大的成就。不仅要创新,还要有所成就,当然,还要大把赚钱。
OfficeTeam公司的执行总监罗伯特o霍思金表示:“离职的方式会给人留下难以磨灭的印象。”确实如此。本次调查中的绝大多数(86%)人力资源经理声称,
Russia's economy is the 10th largest in the world, producing little of value beyond hydrocarbons. Corruption and rent-seeking extract an enormous economic toll. It remains burdened with Soviet era infrastructure, and its ability to meet the educational and medical needs of its population is rapidly declining.

单词credit 联想记忆:
3. “Spotlight” (Tom McCarthy)
加强农村公共设施建设。
An independent gauge of China’s manufacturing sector edged lower in November, suggesting an uptick in activity at state-run companies did not extend to smaller and privately-owned factories.
该部门期望今年消费增长仍然能够强有力地带动经济增长。

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

lettuce
We will continue to encourage people to start businesses and make innovations.

CDC

要让Airbnb退市,可能没那么容易。最近,昆尼皮亚克大学(Quinnipiac)开展的一项民意调查表明,56%的受访者认为,应该允许纽约人将房间租给陌生人。“我们不想把房子变成旅馆,但是与此同时,人们有时会想把自己的公寓租出去。”霍尔斯特德管理公司(Halstead Management Company)的总裁保罗·R·戈特塞根(Paul R. Gottsegen)说。该公司打理着纽约市250处住宅物业。
2.室内类比赛项目

最新的官方资料显示十二月中旬的数据大幅增长,有1200人已经离开或者正谋求去战场加入圣战份子。
Think you’ve had some bad job interviews this year? This survey is guaranteed tcheer you up (unless you happen tbe part of it). When staffing firm OfficeTeam asked 600 managers across North America tdescribe the most embarrassing interview blunders they had seen in 2014, here’s what they said.
他表示:“价格走低对利润下滑影响加剧”。
"This is a hard one for people to understand how they're doing it, but it's an easy one for managers to pick up," Kay says. In many cases, you're disengaged, or as Kay describes it: "not being totally mentally present." Maybe you used to chime in a lot during meetings, and now you're quiet. Maybe you're not producing as much as you used to. Maybe you're not excited about a new project you've been asked to manage。

“When I look at the data, I keep coming back to this issue that it’s really about identity politics,” said Elisabeth Ivarsflaten, a professor at Norway’s University of Bergen who studies Europe’s far-right parties. “This is the most powerful predictor of support for the populists.”
读:游艇
Stallone's iconic underdog has spent decades inspiring athletes and nonathletes alike to fight for their goals. As a poor local boxer, Rocky gets his break when he enters a fight with World Heavyweight Champion Apollo Creed. Due to his rigorous training and Creed's relative apathy, Rocky becomes the first challenger to ever push Creed through all 15 rounds.
1月份中国居民消费价格指数(CPI)出现上涨,在本月金融市场动荡为主的背景下,该消息对于这个世界第二大经济体来说是个令人鼓舞的迹象。

但尽管安全研究人员不断发出警告,很多人仍在给个人设备设置安全等级弱、容易被破解的密码。
该银行表示,由于利率只会缓慢上行,大宗商品可能会吸引那些寻找更高收益率的对冲基金和其他投机客。
n. 航行,航海,导航
['rep?twɑ:]
达奇斯说:星佳在2012年努力保持势头并进行多元化经营。关于公司的品牌讨论明显减少,产品停产的负面消息不断增长,这使得这家游戏公司在2013年有很多工作要做。

With 10 guesses, an attacker would have a 39% chance of guessing Korean-speaking users' answers to the question "What is your city of birth?"
今年,该学校首次跻身前20强。
In the big closing session of the World Economic Forum in Davos, they recognised risks existed and badly run emerging markets might be vulnerable to shocks, but concluded that the outlook was brighter than it has been for many years.
中国房价在今年初曾以9.6%的同比增速快速上涨,但此后随着经济放缓以及很多中等规模城市遭遇房产供应过剩,房价一直在下跌。
This year's new college grads entering the workforce are being offered an average monthly salary of 4,014 yuan ($582), and about one-third of them chose to work in first-tier cities, according to survey results released by zhaopin.com, a Chinese online recruitment service provider.

The work of Alvin Roth and Lloyd Shapley has sparked a "flourishing field of research" and helped improve the performance of many markets, the Royal Swedish Academy of Sciences said.
这是继2016年我国首次同步调整企业和机关事业单位退休人员的基本养老金水平后,我国再次做出同步调整。
完成所有的事,甚至更多
[st?:]

5.Create a Study Space
我们当中很多人都有八卦抱怨的习惯。但是如果做的太频繁的话,工作恐怕就不保了。所有的这些会带来一个同样的结果:变成了老板的眼中的麻烦。一般来讲,老板要确保自己的团队有正面的能量,团队中如果有人是消极的,会有损他的形象。消极的员工在高级管理层中被认为是“癌细胞”,这是因为“他们早晚会被割除”。如果你有怨念的话,一个好的办法就是私底下直接和老板对话。 千万不要一开始就拉拢人心寻求支持。
在对入围的六本图书展开激烈辩论时,一名评委形容福特的书对该问题做出了“冷静而全面”的分析。英国《金融时报》主编兼此次评选委员会主席莱昂内尔巴伯(Lionel Barber)称《机器人的崛起:大规模失业的威胁与科技》“行文紧凑、研究深入,是公共政策辩论领域的又一佳作。”
支持:奥德曼塑造的战时领袖丘吉尔收获一致好评,而这对他似乎是手到擒来的。
The auction house says seven records in all were set at the Geneva auction including the highest amount ever paid for a yellow diamond - $16.3 million for the 100.09-carat Graff Vivid Yellow diamond ring.
28 September

Summly和雅虎拒绝对交易的条款置评。
Although the average punctuality rate of the surveyed airports rose 7% year-on-year to 70.4% in 2016, the average delay time was 33 minutes.
又到了一年盘点的时候了,扬子晚报上传了一段名叫今年中国网络九条最热流行语的视频,盘点了如下几条流行语。

The blocks of flats which were up to 12 storeys high in the city of Wuhan are making way for a huge new business district including a 707-metre tall skyscraper.
"Well, I am going to have a Cabinet that looks like America," the former secretary of state replied. "And 50 percent of America is women, right?"
今年初,执政的共产党设定了今年贸易增长6%的目标,但2015年头十个月的贸易总额同比下降逾8%。
2. LinkedIn. Brand love: 47% / Rank: 309
The fundamentals of the Chinese economy remain sound, the capital adequacy ratio and provision coverage of commercial bans remain high, and we have many financial tools and instruments that can be used. We have the confidence, the ability, and the means to forestall systemic risks.