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谁说房地产不赚钱? 产业金融资本争相买地建房

Editorials

Covid-19: breaking the chain of household transmission

BMJ 2020; 370 doi: 欧盟木材新法实施:解析我国木家具行业将面临哪些影响? (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

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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.

Mr Erdogan’s escalation comes in the midst of a vitriolic tit-for-tat between Ankara and The Hague, which began at the weekend after Dutch officials barred Turkish ministers from campaigning in Turkish communities inside the Netherlands.
We will perform with a strong work ethic, sense of responsibility, and enterprising spirit.
After Zhou contaminated the water, one of Zhou's classmates surnamed Tang noticed that the water coming out of the dispenser was milky and had a pungent scent.
slew是slow慢慢聚集的
日本
More importantly, their inventions may even eventually be turned into products that benefit mankind.
2016年观影人数达到13.7亿人次,同比增长近8.9%。

But many foresee an economic collapse, arguing that a prolonged eurozone crisis coupled with a property bubble could render vast swaths of Chinese industry unprofitable. This would reveal hidden financial vulnerabilities and feed a downward spiral. Others believe that Beijing has ample resources to avoid a crisis, but argue that, with a growth model based on infrastructure and land sales, and with exchange and interest rates rigidly controlled, it may not have all the necessary tools at its disposal.
We will make a big push for progress in the reform of the social system.
Bottoms Up is the revolutionary new way to serve beer. The Bottoms Up system saves time, eliminates waste and awes customers!
克里斯·保罗
Yet there are similarities between the demagogic elements of the Brexit campaign and the rise of Mr Trump.

Footnotes

  • 谋求突破 家居企业“扎堆”IPO
  • 保罗在高中是一个相当矮小的后卫,这也是他有“排斥一切”思想的原因。CP3是NBA中最难对付和最棘手的球员,而他也必须如此,因为他知道自己还不是强者之一。

Its brand value has increased by 22 per cent to $19bn and it has climbed 20 places up the ranking to number 50.
No. The much-hyped US electric carmaker once promised to make 400,000 of its new dream machines in 2018. Its latest production targets imply 200,000-300,000. But serious glitches in battery production have meant a slow start, and Tesla’s record is not good. With Tesla yet to show it can wean itself off constant infusions of Wall Street cash, 2018 cold be a make or break year.
So the messaging apps have gotten creative. Tango, for example, inserts ads within a user’s messaging “inbox.” WeChat, a popular Chinese app that is owned by Tencent, makes money through games, stickers (which are similar to emojis), and mobile commerce. Kik offers a feature that some are calling “chatvertising,” where users hold conversations with chat-bots powered by brands like Funny or Die and Moviefone.
蓝天在未来不会也不应该成为奢侈品。
core
In 2008, China's government added an entry to the list of conditions classified as mental illnesses: "Internet addiction." According to numerous reports in state-run media, China's young people were spending too much time in Internet cafes, ignoring family or work to play online games into the wee hours, sometimes neglecting to eat, drink, or sleep, and endangering their own health.

工信部将再出新政 铝模板产业腾飞在即

References

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