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共有产权房:回归居住属性 市场趋于理性

Editorials

Covid-19: breaking the chain of household transmission

BMJ 2020; 370 doi: 互联网家装之后 谁能继续接棒? (Published 14 August 2020) Cite this as: BMJ 2020;370:m3181

Read our latest coverage of the coronavirus outbreak

  1. Shamil Haroon, clinical lecturer in primary care1,
  2. Joht Singh Chandan, academic clinical fellow in public health12,
  3. John Middleton, president3,
  4. Kar Keung Cheng, professor of public health and primary care1
  1. 1Institute of Applied Health Research, University of Birmingham, Birmingham, UK
  2. 2Warwick Medical School, University of Warwick, Coventry, UK
  3. 3Association of Schools of Public Health in the European Region (ASPHER)
  1. Correspondence to: S Haroon s.haroon{at}bham.ac.uk

技术、商业模式革新 LED照明产业或重构格局

The UK is one of the countries most severely affected by covid-19. Recent outbreaks in English towns such as Oldham, probably involving transmission within large multigenerational households, show the importance of getting the right public health measures in place now to prevent more widespread surges in infections.1

Current test and trace policies have mainly focused on preventing spread in care homes, hospitals, and in the community.2 However, contact within households is thought to be responsible for roughly 70% of SARS-CoV-2 transmission when widespread community control measures are in place.3 In Wuhan, the reproduction number (R) dropped from 3.54 to 1.18 after lockdown and cordon sanitaire. But the epidemic was only brought under complete control when Fangcang (field) hospitals were introduced to isolate cases outside the home, with R dropping to 0.51 after two weeks.4

Current UK guidance advises household contacts to isolate within the same home as the index case for 14 days.5 They make up the majority of contacts for infected individuals and are likely to remain exposed to the infected household member during this period of isolation.6 Despite guidance advising household members to socially distance, contacts are likely to interact repeatedly—during mealtimes, for example—and to share facilities such as bathrooms.

We know that transmission is more likely to occur indoors than outdoors.7 The cumulative risk to household contacts from an infected person is likely to be substantial during peak viral shedding. In one study in New York State, 38% of household contacts tested positive for SARS-Cov-2, and similar secondary infection rates have been reported in China.89 Transmission may be even higher among household contacts of essential workers, who are at greater risk of being infected than the general population.10

Household members who are older, have underlying medical conditions, or share a bed or vehicle with the index case are the most susceptible.91112 Children seem to be at lower risk of being infected.13 However, their stool samples and nasopharyngeal swabs can remain positive for SARS-CoV-2 for more than two weeks after symptom resolution,14 although their role in transmission remains to be established.

Governments should consider new public health measures to prevent household transmission as we prepare for a potential second wave. Household quarantine is likely to remain an important pandemic control measure, and government support for people quarantined at home is conspicuously absent in the UK: this position has been challenged by independent experts.15

Effective isolation

Effective isolation of index cases from household members could reduce secondary infections.12 Wearing masks within quarantined households may help, particularly if used by the index case as soon as infection is suspected.16 The World Health Organization recommends that infected people and unavoidable close contacts, particularly those in vulnerable groups, should wear medical masks, but Public Health England does not currently recommend this. Other measures that should be considered (and evaluated) include clear advice on enhanced personal hygiene; cleaning and disinfecting shared toilets and other common spaces, door handles, and touch points; and staggering mealtimes.

People who are unable to self-isolate safely at home could be accommodated in special isolation facilities such as hotels and hostels, an approach adopted by some other countries, including Italy, Finland, and Lithuania.17 In China, field hospitals were created to manage and strictly isolate patients with mild-to-moderate covid-19.18 Nightingale hospitals in the UK could be similarly repurposed to support isolation of infected people with mild-to-moderate disease. As medical and nursing care needs are mostly modest, the cost would be relatively low. However, such a system depends on access to rapid testing for anyone with symptoms or possible exposure so that infection can be confirmed and isolation started before transmission occurs. It would also require public trust that isolation in these facilities would be voluntary, safe, and supportive.

McGowan was born into the polygamous Children of God Cult and ran away from home in her teens.
Spanish business school IE has scored a hat-trick by reaching the top spot in the Financial Times ranking of online MBA programmes for the third year in a row. IE came in ahead of the UK’s Warwick Business School, ranked number two for the third year running, and Durham University Business School, which made it into the top three for the first time.
Recipient: President-elect Donald Trump and Hilary Clinton (joint winners)
发型。略长的卷发——蛤?你不是自来卷哦?小可怜,那你只好每晚带着卷发夹入睡了。
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时间:2009-07-16 编辑:vicki
新兴市场出口额(以美元计算)下滑完全是一种价格效应,受到大宗商品价格下降的拖累。从数量上看,新兴市场出口自2014年以来一直持续上升,即便同比年增长率已放缓至2%左右——远远低于全球金融危机前后的两位数增长率,如第二张图表所示。

Transforming and upgrading the real economy through innovation
The reason why Blake looks the same today as he did in high school is because he's only four years removed from his high school years. Just imagine how monstrous Blake will look with another year or two of NBA training under his belt.
其他机构有宝钢集团(Shanghai Baosteel Group)旗下为钢材交易商提供融资的欧冶云商(Ouyeel)、中国第六大银行招商银行(China Merchants Bank)旗下专注财富管理领域的小企业e家(Small Entrepreneur)等。
北京2016年受理外籍人士及其家属永久居留申请较2015年增长426%。
还记得《类人猿行动》吗.这是一部被众人忽略的2016年早些时候的电影,由杰米.多南和斯里安.墨菲担任主演,讲述了对希特勒身边的三把手、党卫队将军莱因哈德.海德里希进行的一次失败暗杀。《行动代号:猿人》也尝试讲述这一故事,杰克.莱诺和奥康奈尔将在片中饰演密谋的士兵,而罗莎曼德.派克和米娅.华希科沃斯卡是他们片中的感情对象,杰森.克拉科则饰演他们的刺杀目标。

Footnotes

  • 新房上保险 业主可索赔
  • 据《21世纪经济报道》称,广东去年的GDP增速为7.5%。

● “奥巴马签署行政令禁止学校读效忠宣言”
据Birinyi收集的数据,下面是今年迄今已经获得授权的5大回购。
The THE Asia University Rankings for 2017 rated Peking University and Tsinghua University, both in the Chinese capital of Beijing, as the second and third best universities in the continent. National University of Singapore is ranked the best.
立场:支持移民改革
其次,麦克德莫特是一名职业生涯三分命中率39.9%的投手,解决了雷霆阵容最大的一块短板——拉塞尔-威斯布鲁克周围缺乏投手,而且他直到下个赛季结束都是便宜的新秀合同。
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棚改货币化安置应适时退潮

References

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