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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

盘点2015家居市场十大“新常态”

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 广州楼市开局平淡 首周新房网签跌破千套关口 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

"I'm always amazed at how many people tell their co-workers about their job search," Kay says. "That's one of the worst things you can do." Ideally, you wouldn't tell any co-workers, but you may have to if you want them to serve as references. In that case, Kay says, "you need to pick people who you really trust, who don't have a hidden agenda and who won't let it slip."
我们要求FlightAware对航班抵达延误情况进行统计,而不是航班出发延误情况,因为有时候,航空公司可以让飞机在空中飞行期间追回地面上失去的时间。

它依旧是世界上最大的国家和最大的石油生产国。它依旧是联合国安理会常任理事国之一。它的核武库(冷战时期五个国家中的一个,现为九个中的一个)已逐步现代化。国防开支的持续增加使它接近当地和地区战争的大国统治的目标。

抵达太阳系深处的人类智慧。
克普克写道,分析师们常常“认为新兴市场危机易发性的根源在于制度薄弱,这使得这些国家易受经济、金融不稳定的影响。”
在屏幕前对女主人公大喊“不要在深夜独自下楼”,不再是徒劳无用的了。在这款互动式惊悚游戏中,玩家可以控制游戏人物的行动。游戏的剧情由电影制片人拉里o法森顿和格拉哈姆o雷兹尼克与游戏开发商Supermassive Games精心打造。故事中,八位好友被困在遥远的山区度假村,还有一名不受限制的精神病人。游戏群星云集,其中包含《神盾局特工》(Agents of S.H.I.E.L.D)的演员布雷特o道顿,美剧《纳什维尔》(Nashville)的演员海顿o潘妮蒂尔和《极品飞车》(Need for Speed)的演员拉米o马雷克。玩家将控制各个角色探索这个恐怖的世界,试图在黎明到来时存活下来。没有人是安全的。在游戏中,每一个决定都会导致不同的结果。游戏剧本长达一千余页,拥有数百个不同结局等待玩家发掘。蝴蝶效应使得游戏不会有相同的剧情,而唯一不变的是,这款游戏十分惊悚。不要独自一人或是在深夜里尝试它。
然而,3月份以17美元的发行价上市的Snap,在最初上涨后下跌至约15美元,打击了市场对于所谓“十角兽”企业(通过私人筹资达到100亿美元或更高估值的公司)会有更多IPO活动的预期。
Paul was a pretty undersized guard back in high school, which is probably why he's developed such a "me against the world" mentality. CP3 is one of the grittiest and toughest players in the NBA, and he has to be because he sure isn't one of the biggest.
失业率的大幅下降的实际效果将会有所体现
Will the Saudi Aramco public offering debut on an international market
We were forced to leave our comfort zone but were rewarded with unique experiences, says one graduate.

"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

喜剧类最佳女演员: 茱莉亚?路易斯-德瑞弗斯(Julia Louis-Dreyfus),《副总统》(Veep)
The price of U.S. benchmark West Texas Intermediate crude, which is traded on the New York Mercantile Exchange, has been kept lower by problems transporting the oil to markets. Those troubles have eased recently, but Sabine Schels, head of fundamental commodity research at Bank of America Merrill Lynch, doubts the problems will disappear.

沃克排名第六,得益于他演艺生涯中最卖座的影片《速度与激情6》。在因车祸悲剧丧生之前,他已经完成了《速度与激情7》的大部分拍摄工作。据称环球影业(Universal)不会重新拍摄该片,而会对后续拍摄作出相应调整。
A recent example: When Gwen Stefani launched her new album Spark the Fire, Swyft created a free sticker pack and distributed it on several of its messaging apps. It was downloaded almost a million times and sent between users seven million times, resulting in 41 million impressions in 10 days. Such campaigns cost anywhere from $50,000 to $250,000 for brands, Wray says.
Of the 27 provincial-level regions that outpaced the country's 6.7% GDP growth in 2016, only three regions - Chongqing, Guizhou and Tibet - achieved double-digit growth.
许多人认为韩国流行音乐产业的崛起是这个整容热潮背后的原因,许多人带着明星的照片来到整形医院,要求仿照明星的鼻型或眼睛来整容。

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。
About 980 million yuan of illicit assets were recovered, according to the Communist Party of China Central Commission for Discipline Inspection.
benefit
北京某投资公司总经理汪杰表示,金融和地产业高管较高的薪酬反映出我国发展不平衡的问题。
比摆滥还要糟糕的是没有远见(vision)的摆滥,所幸约翰逊作为球员从来都不缺乏视野(vision),而他作为球队管理也有一个不错的开端。

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

7、 阿斯顿·马丁必须有。不止如此,还要在异国情调的赌场里挥金如土——一掷千金的男人很能吸引寻欢中的女性。常与女性周旋的邦德更擅长于此。
"The online Internet anti-corruption bid mostly relies on text, photos and videos and it is easy to be superficial if corrupt officials are only exposed this way."

CDC

报道称,这些公共脸书群组的名字包括,“哈佛前1%精英少年表情包群”、“UCLA超变态青少年表情包群”、“USC被宠坏的小少年表情包群”等。
2016年最不智能的9种智能产品

无人驾驶汽车是当下炒作得最火的行业,这类汽车的倡导者已成为冗词赘语的世界级领军人物。埃隆?马斯克(Elon Musk)自称“要在一个安全系数超出人工驾驶数量级倍数的一体化平台上专注于全自动驾驶的实现”。(就是说特斯拉肯定能防止车祸的发生)。
汇率走势今年已对大宗农产品价格产生有力影响,英国退欧公投曾导致英镑汇率重挫,这推升了英国食品进口价格并提振了农产品出口。
上述消息源还称,苹果将在明年10月发布一款12.9英寸的平板电脑,“目标消费群是北美的教育市场(和)……生产商是广达电脑(Quanta Computer)”。有报道称,三星也在研发尺寸在12至13英寸之间的平板电脑,而现在看来,“这些大尺寸平板电脑将极大地影响超极本需求”几乎是板上钉钉的事了。新款“iPad Max”,搭载整合了键盘和电池的新款外壳之后,实际上就是一台笔记本电脑,很有可能在高中生和大学生之中成为主流产品——这一人群需要比现有iPad和iPad Mini产品更好的内容创造工具。
['stresf?l]

The most popular variation of this line is “Don’t fantasize about big sister: I am only legend.”
Format: After a one-week orientation, classes are held on alternating weekends on Fridays and Saturdays, with accommodations provided on Friday nights. Final term sessions are held on campus for two weeks with the remainder of the term completed online.
“我只是想保持专业的一面。我不想让别人认为我是脑残粉。我是表演嘉宾之一,不仅仅是伴舞者,我是一名舞者演员。”
《江南Style》击败《Call Me Maybe》成为最受热捧的流行歌曲,而《007:天降杀机》战胜了《普罗米修斯》成为最多人查询的电影。

高盛将大派红包,饱受各方抨击一个月,然后静悄悄地干回自己的老本行--挣钱。
China's online game revenue in 2008 was CNY20.8 billion, accounting for about 27% global share, ahead of South Korea at 21% and slightly behind the U.S. at 29%, according to an earlier report by Shanghai-based market research firm iResearch. The firm also predicted that China is likely to surpass the U.S. to become the world's largest by the end of 2009.
这位《饥饿游戏》的女主角在AskMen.com网站评出的2012全球99个最性感女人排行榜中高居榜首。这一调查让网友票选他们最喜欢的女星,根据她们的外貌、个性、才能和其他吸引人的特质。该调查共收集了240多万张选票。
3.葡萄牙波尔图
Sales of previously owned homes have slipped every month since July, according to the National Association of Realtors. That coincides with the surge in borrowing costs across the economy as a result of the Fed's signals about its bond-buying program.

上榜的12所美国学院平均而言是性别比例最为平衡的,女性学员比例为48%。
New Year time is here. I hope you have a wonderful New Year. May every day hold happy hours for you.新年来临,祝新年快乐,愿你时时刻刻幸福欢乐!
London Fashion Week will not feature any animal fur clothes or accessories on the runway this year, making it the first fur-free major fashion week.
“It was the real 'I have to do this' moment,” he says.
Payne, a former lottery pick, missed time with a foot injury and hasn't shown any major progress as a shooter or a defender in year two.

这个习惯会严重影响你的工作。如果你认为在最后时刻可以发挥最好,不断地推迟任务直至最后一天(一个小时),你可能没有认识到你的这种习惯给同事们带来的影响。如果最后一刻再来赶工,要求别人迅速完成任务,很可能会惹恼你的同事,在任务失败或者未按时完成时候,你就是第一个被责备的人。
但当格雷泽给我们带来《皮囊之下》,这部经过他长期酝酿的,由荷兰作家米歇尔·法柏的科幻小说改编的电影时,真是让人惊叹:欢快,不安,大胆。斯嘉丽扮演的外星人藏于人类的皮囊里,穿梭在格拉斯哥街道和商场,不亚于一位一线明星。现实生活中的路人在镜头中完美的展现,而隐身的约翰森面无表情的估算着三个地球人可被利用的热量值。接着演员带着被色诱的人类离开人群,来到她自己的地方:一个神秘的黑暗的洞穴中。在这里,情色恍惚间,人类贡献自己的肉体,被囚禁,被养殖成为食物,谁知道呢,又或许是人类的灵魂。
Will impeachment proceedings begin against Donald Trump
现在是时候制订新年旅游计划了!有“背包客圣经”之称的《孤独星球》于近日向寻找地美价廉好去处的人们推荐了2017年性价比最高的旅游胜地清单。让我们一起来看看吧。

我预计真正的大戏将在2018年初展开。但这是唐纳德?特朗普的贸易世界。我们只有观看的份儿。
The .40-calibre Smith & Wesson that killed her, a semi-automatic handgun, was seized by police to undergo ballistics testing to determine if it had been used in other crimes.
'One of the challenges of writing the book was that attitude that a heterosexual man can change a woman's life and make her go weak at the knees.
The fall in profits in December highlights the challenges facing an industrial sector racked by overcapacity and falling prices, adding to pressure on authorities to loosen monetary policy and boost infrastructure spending to cushion the slowdown.
Chinese tech giant Lenovo, however, remained at the top of the market - owning more than 20% of it. HP followed in second place, with Dell third and Apple and ASUS tied for the fourth spot.
Investors in emerging markets need no reminder of the importance for EM assets of the US Federal Reserve — or do they?

8.《生活大爆炸》白板上的公式都是真的
vt. 安慰,使
Only three Hollywood productions, 'Furious 7', 'Avengers: Age of Ultron', and 'Jurassic World', made it into the top 10 at the Chinese box office in 2015.

Lian Ping, chief economist with the Bank of Communications, said rising producer prices may push up consumer prices in the longer term.
The report found that students majoring in art, agriculture and engineering were more willing to start businesses, while those majoring in history and science showed relatively low interest.
以美元计,上个月进口下跌了18.8%,跌至1141.9亿美元,跌幅超过了去年12月的7.6%,也超过了下跌3.6%的预期。
在这月初这封信上写着的地址是宾夕法尼亚大学的某个邮箱。
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