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China is building a new hospital in Wuhan the center of the coronavirus outbreak, to contain the outbreak. The plan is to build it in just 6 days. China has taken a new approach to tackling this health crisis, isolating the area and speeding up action to find solutions to the virus. A shortage of hospital beds and resources in Wuhan led to the decision to build a new hospital rapidly. China's rapid response is the first high speed response and could be a model for future outbreaks. Before this during the SARS crisis in China, and other health crises worldwide, action was taken gradually by hospital and government authorites leading to more deaths and wider spread of disease.

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The U.S. faces a critical gap in its coronavirus effort - the lack of one centralized source of reliable quality data. What we have today says this report in WSJ, are many disparate sources of information, without any uniform set of rules, different chronologies, and lacking consistency, all feeding into national or global databases run by individuals or private organizations that lack the resources needed. Not  the centralized government source for quality data that is being used in other countries. This is the second of articles in the WSJ on this problem. The first was on the John Hopkins database run by students and a professor lacking the funding or the resources for such a critical task, dependent on disparate and multiple sources of information without any set of rules. Other sources at the University of Washington or run by private institutions face similar problems. The data coming out of these databases is only as good as the data going in, say experts. As a substitute for quality data from a centralized U.S. government source these sources cannot give the decision makers in states the confidence they need, and the federal public health decision makers the confidence they need in their decisions for reopening in stages, says this report in the WSJ. ...

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Maps of U.S. coronavirus by state as of April 1, 2020, that reached 189,000. How coronavirus is surging worldwide with 75,000 added on March 31 to reach 874,000 coronavirus cases detected worldwide. China's numbers have not included coronavirus cases that are asymptomatic. 

China continues to see coronavirus cases with 166 new cases on March 31, showing that it public health authorites have to be vigilant about a restart of the epidemic once it comes under control.

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Coronavirus testing is being ramped up in the U.S. as the Food and Drug Administration new regulations allow commercial labs to manufacture and distribute  coronavirus tests. Now many players can now acquire and conduct tests including state and local governments, hospitals, universities, and private companies. so that tracking nationwide distribution is still difficult. Deborah Brx the response coordinator of the White House task force on coronavirus says U.S. has completed 220,000 tests in last 8 days.  In New York the scaled up efforts in a region with over half the coronavirus cases in the U.S., 13,000 were tested on Monday, March 23. Some hospitals in New York such as Mount Sinai expect to do double or triple the tests a day in a scaling up effort by March 30. In Los Angeles a city councilman negotiated with a South Korean company for delivery of 100,000 tests a week, having already secured 20,000 new tests. Additionally swabs and protective equipment are also needed to conduct tests and labs need to process results with speed. ...

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Britain sees the transmission rate for coronavirus in September "high or rising exponentially." The daily cases on September 21 reach 4,368 and the chief scientific and medical advisors to the government of Britain say this could double every 7 days if nothing is done to reach 50,000 cases a day.

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Tara Parker Pope of the NYT has this advice about protecting yourself against coronavirus variants after talking to many infectious disease and other experts. Don't let your guard down she says and suggests some of the same precautions that were taken in earlier waves of the coronavirus, from masks to social distancing and prudent decisions about travel and shopping.

Vaccines offer protection against common coronavirus variants such as B.1.1.7  from UK. It is still wise to follow the prudent rules that were followed before.

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If only there was a way to keep the streets in big cities such as Paris, New York, and Mumbai quieter after the coronavirus. This report looks at ways in which cities changed during the coronavirus with less noise pollution. Bicycle lanes are becoming popular and some cities have converted car lanes into bicycle lanes. In many cities on a walk through parks one could hear bird songs. The audio clips in this NYT report and with SONYC's project provide a glimpse of how life changed on streets during the coronavirus.

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Contact tracing being setup using iphones and android phones with bluetooth technology by Apple and Google. The idea is being studied for adoption by the U.S. government. The problem is that this kind of contact tracing is not as effective as the kind used by South Korea, Taiwan and Singapore with information from cellphone carriers. Contact tracing apps would be written by developers for each country and chosen by Apple and Google one for each country. How it works- When a person comes down with symptoms he can upload the information about who he has been close to stored on the phone. This information would then be used to contact the person who was exposed to the person with symptoms but unaware of this. A message would tell that person he was exposed to someone who now has symptoms and to contact public health authorites and take effective steps. When the person with symptoms gets tested if he was positive that would also appear on a exposed person's phone without name or other information.  The normal contact tracing is time intensive requiring many phone calls and using data from cellphone carriers. This is done in Singapore, Taiwan and South Korea. It is considered to be more effective. The approach of these Asian countries is more thorough and allows effective tracing and isolation, quarantining of persons having coronavirus or having exposure in countries with rampant coronavirus. The U.S. needs to move quickly to adopt the methods used in these Asian countries. The loss of hundreds of thousands of lives should be weighed against privacy concerns and clearly there should be a way to allow one time use of personal information for coronavirus, so that this kind of information is used only in public emergency situations. All three Asian countries are democracies. Putting health care workers at great risk including working pregnant doctors, as in the story in WSJ about a hospital in Maryland, should make it clear that everything including privacy concern should be placed in context, and use of personal information be permitted in a public emergency such as a contagious virus- with information protections removal for the period of the crisis. ...

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Asymptomatic people infected by coronavirus are acting as spreaders of the coronaavirus making it more essential than ever that everyone wear masks. This is a widely accepted practice in Asia- wearing masks to prevent others from getting a virus. This now needs badly to become the practice in the U.S. and Europe. The longer it is delayed the worse the crisis can get and the longer it takes to eradicate it. Even low grade cotton masks are useful as is the practice in Asian countries. It is now part of the new guidelines of the Centers for Disease Control in the U.S. This needs to be adopted as safe practice everywhere.

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The hundreds of labs in the U.S., France and other countries that are working to develop new drugs or adapt drugs used in other treatments to treat the coronavirus.

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China is in isolation and in a freeze in ways that are unprecedented, that have never happened before. It has depressed world trade, disrupted supply chains of world trade, forced companies to restrict their employees movement, or bring them back home. Apple with 10,000 employees has closed operations and offices in China till Feb. 9. This is happening for many foreign companies in China as they deal with something they have never encountered before.  There is slowing down in demand fro crude oil as the lockdown affects the economy of China and world trade, Oil prices dropped 16% since the virus was detected. When the Sars virus happened in 2003 the Chinese economy was sixth in size in the world, now it is the second largest. At that time 7 million Chinese travelled abroad, today it is about 150 million, affecting international tourism. First quarter growth in China is now forecast by economists surveyed by WSJ at 4.9%, the lowest in decades. ...

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South Korea has tested about 300,000 people for coronavirus. About 20,000 can be tested daily for coronavirus through 40 drive thru locations. South Korea invented this method of testing. Another feature of the South Korean method is the tracking down of people who have come into contact with those testing positive for coronavirus. The South Korean government is able to do this because it can access the credit card and cell phone information of people in the country. This is possible through laws that were passed after the failures during a previous epidemic of MERs. The government then tracks down and isolates the people who came into contact with infected persons. This includes people who show no symptoms, an important aspect of the South Korean program which needs to be adopted in other countries once the production of test kits and testing is ramped up. The reason is that about 30% of people who tested positive in South Korea were not showing any symptoms but acted as silent carriers. This is similar to the figures for people in the Wuhan region of China. This testing capability is one of South Korea's key strengths, though Germany's Robert Koch Institute says it has a similar capability to test 160,000 people a week. The U.S. has tested about 30,000 people by comparison. The U.S. government is procuring 60,000 test kits under the Defense Production Act. South Korea also enforces social distancing though a $2500 fine and a 1 year prison sentence. Germany now has a 2500 euros fine in some states for curfew violations.  By comparison the fine in Britain is insignificant.  Another difference between China and South Korea with Germany and the rest of Europe, the U.S., is that in China and South Korea self-isolation is monitored, tightening the control over coronavirus spread at every turn.   ...

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The coronavirus will change the way cities work turning commercial spaces into mixed work life areas as cities are redesigned to make them work differently.

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British prime minister Boris Johnson announces tough new measures that make it illegal to socialize in gatherings of more than six. This is an effort to fight a second wave of coronavirus in Britain. The government now believes that normal life will not return till spring and that "moonshot" mass testing will be needed to contain the virus. The new "rule of six" goes into effect in Britain on September 14, and anyone "breaking the rule risks being dispersed, fined and possibly arrested." Covid marshals will patrol city centres to split up large groups.

Schools workplaces and restaurants will be able to hold more than six people in total but they will have to be groups kept separate. The prime minister said it was needed to stop Britain from the exponential growth happening in France. He said "a stitch in time saves nine."

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The Trump administration will use the Defense production Act to procure 60,000 coronavirus test kits. China ramped up its production of test kits to 7000 a day in a few days after the crisis hit Wuhan. The U.S. Government is also using the DPA Act for procuring 500 million masks. FEMA is now coordinating the response to the crisis according to this report,

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These simulations show the  importance of flattening the curve for coronavirus especially the steep jump in the curve when it grows exponentially as people mingle in crowded environments, on trains and subways, and in public gatherings of more than 10 people. This is shown here in four different simulations in the Washington Post. Social distancing and quarantine worked in China, Taiwan, Singapore and South Korea. Though the attempted quarantine simulation here does not cover the situations in China, Taiwan and Singapore where quarantine has worked and was the only way to tackle the coronavirus in time to do least damage. Additional simulations would show the way it was limited in Singapore through contact tracing and mandated staying at home for all who have come in contact with affected persons. And in South Korea a simulation could show how this worked through containment by testing and limiting spread, or China by an effective quarantine or lockdown of a city or province.  The basic idea is to limit contact and separate so that intermingling is restricted to as few places as possible for a limited period during which health authorites can achieve a controlled situation through systemwide organized efforts.  ...

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The impact of coronavirus deaths is higher for men with certain behaviours such as smoking and alcohol consumption. For infections it is not clear that the rate is much higher for men than women. The data from graphs provided by WSJ of global data from different countries shows a higher rate of infection for men in Italy, just about 52% in men in China, but a lower rate for men in South Korea and France. Some of the higher impact of coronavirus death can be explained by habits such as smoking in men- in China smoking for men is ten times that of women. In Italy over twice as many men smoke than women. Researchers say that the prevalence of the receptor that helps the new coronavirus enter human cells is higher in smokers. The other reason researchers say is higher alcohol consumption in men than women. China's data also show more men infected because most of the people in the labor trades such as construction and other work is done by men. This made them more exposed to the pathogen in the local market where the virus originated. ...

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The CDC in the U.S. recommends use of face masks, cloth masks or scarfs, to prevent the spread of coronavirus.

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In a massive intervention last week and again this week the Bank of England cut interest rates from 0.25% to 0.1% and launched a 200 billion pound program to buy UK government bonds and corporate bonds to support the economy and business. Investors sold UK government debt for short term cash holdings and invested in U.S. currency holdings as the safest asset they could find, as the economic effects of the coronavirus epidemic hit capital markets. Andrew Bailey, the Governor of the Bank of England stated that it was the government's job of preventing temporary "dislocation" becoming permanent economic "destruction." Business failures are expected as a result of the coronavirus impact and also layoffs resulting in a temporary jump in unemployment. The government needs to take steps to mitigate these effects in the UK as is being done in the U.S. by the Trump administration with $1 trillion in direct assistance to business and people affected by the crisis. ...

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The kind of early effort needed to control the public health crisis of the coronavirus. Steps taken in Washington State on social distancing and action underway in the U.S. so that a proactive approach takes place, acting early and decisively.

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The most accurate study so far of what age groups get affected by coronavirus comes from the Office of National Statistics in Britain, showing that children are as likely to get infected as adults. Estimates in modeling created jointly by Public Health England and the Cambridge University show 18% of children in the data from 5  to 14 years age are infected by the virus in England, compared to 18% in the adults over 45 years age.  Across all age groups the modeling data found that there is no difference between age categories for infection by the coronavirus.

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Colleges and universities are preparing to reopen and investing in the changes required for coronavirus prevention and control. Installing plexiglass, hand sanitizer stations, and ensuring availability of face masks on campus, arranging for labor to do the hourly wipedown of door knobs and for taking student temperatures, are steps colleges are taking to reopen. Some universities expect to reopen with 30% of classes in face to face settings.

Other planning includes installing upgraded ventilation systems, retrofit doors for motion sensor technology or foot operated openers. Also included infrared technology to detect temperatures and ultraviolet lighting disinfection technologies.

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Mr. Trump describes himself as a "wartime president" as he prepares to sign a Korean War era measure that allows the U.S. government to ramp up production of medical supplies.  Mr. Trump announced he was preparing to sign the 1950 Defense Production Act, which gives the president powers to direct civilian businesses to meet orders for products necessary for national security.

Mr. Trump is now holding daily news briefings on the emergency which can be seen on many television channels, including CSPAN.

In China factories producing mobil phones and other products were diverted to production of medical supplies and equipment as the coronavirus crisis escalated in February. The Chinese nation was on a war footing leading to the situation today when no new infection cases were reported. Only by doing this could 2 hospitals be built in 2 days in Wuhan to isolate patients. 

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India overtakes Brazil to be after the U.S. the largest in coronavirus cases on September 6.

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Studies that show coronavirus cases are just as prevalent in the younger age groups 15-34 years as with older Germans. One such study uses data from the Robert Koch Institute and published in Eurosurveillance, a journal on infectious diseases. In this study scientists conclude that relative risk (RR) for coronavirus for residents of Germany 15-34 years, and particularly 20-24 years, was noticeably higher than in all other age groups. This study also determined that similar patterns emerged in South Korea where 20-29 years old age group had the highest number of detected cases.

This DW.com report attributes this higher coronavirus cases in younger age groups to work in high contact jobs in service industries, and to greater use of public transport. Laxity early on in following social distancing guidelines is also mentioned as a cause. Other causes could be greater attendance in sports stadiums and music venues.