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The opening of bars and restaurants risks restarting the coronavirus epidemic in South Korea again after a 29 year old man visited 5 clubs and later tested positive. Contact tracing identified the man but similar cases in the Itaewon neighborhood have led to the conclusion that about one third of 5000 people believed to be involved in bars have not been traced. Over 50 cases have been traced to this one person alone. 

It is now believed that the entire South Korean efort could unravel with the mistakes of a few people. Now president Moon says "its not over till its over," and that it will be a long time before the coronavirus is ended completely. He warned a new wave of infections could happen anytime anywhere.

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A 35 year old Engineering professor from Texas who studies how transportation systems propagate infectious diseases and her 2 graduate students from China started and since January maintain the database of coronavirus confirmed cases and deaths. This is one of the widely used databases, also used by public health officials in the U.S. The database was started with a hunch from one of Lauren Gardner's students from China Ensheng Dong who comes from Shanxi province, north of Wuhan. A geography and mapping specialist he had studied in the U.S. since 2012, and spent many hours inputting data by hand following his classes. This WSJ report says the website was built in 1 day and was launched on January 22, when the coronavirus cases were practically nonexistent in the rest of the world and were concentrated in the Wuhan area. This report says behind the data reported in the media everyday is a complicated supply chain filled with challenges that come with data, what is reported, underreported and with what assumptions it is reported. Dr. Gardner says she is dealing with so much data on her dashboard, 4000 points of data, that its hard enough to pull all the data scraped together from different sources, its impossible for her to check the assumptions behind the data for consistency and trying to figure out facts underlying the data.  One of the ways the virus developed in the rest of the world is the surprise with which it caught western countries and then the rest of the world. As a result something that the government authorites would do such as the Centres of Disease Control is being done in a totally ad hoc manner. The U.S. government uses the University of Washington Health Metrics database, and in turn the University of Washington Health Metrics database takes some of the data from the John Hopkins database. Because a complacent population in the western countries were relying on numbers counted as cases to know how serious this epidemic was or whether there was an epidemic, the significance of data count from China assumed a signifcance far out of proportion to what it might normally be. This was because the western countries in Europe and America never encountered an epidemic of this kind in living memory, the last one forgotten from 1917 hundred years ago. Researchers in Gottingen University study in Germany conducted analysis of data in studies of cases published in Lancet Journal and found that only 6% of cases were being shown- that a much larger part of the population was infected. A researcher at Princeton University Ramanan Laxminarayan says countries tend to delay reporting until a problem becomes certain, because telling others comes with economic costs such as a rapid drop in trade and travel. Yet he says early warning systems are key to prevention. Early warning from the different publicly available data bases was not possible for many reasons. Relying on such ad hoc data was hazardous considering that as the NYT reported recently when there was the first confirmed detected case reported in New York there were already 10,000 persons estimated to be undetected. James Glanz and Benedict Carey, say in the NYT.com on May 7, that hidden outbreaks spread through U.S. cities far earlier than Americans knew, estimates show, which makes the publicly available databases giving a false sense of security, and not acting as an early warning because of the inadequacy of the resources for this task for individual researchers to handle. Not depending on  hurriedly put together databases with inadequate resources and having an independent sense of what the danger was as German chancellor Merkel described it in her first coronavirus address in March, was a better early warning signal than the databases in retrospect. And this too had come late. The reason is that the response had to be fast, very fast, and public perceptions had to be shaped quickly about the magnitude and speed of enormous proportions of the coronavirus, so that actions could be shaped quickly and executed quickly to stop it in its tracks.    ...

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Quidel Corp. gets the first FDA approval of an antigen test which tests for the disease itself. Quidel is a company specializing in tests for the flu and infectious diseases. It uses an older technology to detect the disease. Quidel CEO Douglas Bryant, says he will ramp up the manufacturing of the test to go from 200,000 tests a week in the week of May 11, to more than a million a week in several weeks. The current testing technology has several shortcomings. The most common test so far is the PCR test which magnifies virus particles to ease their detection. It is cumbersome technology because it takes time to run the test and analyze the results. The new antigen tests have several advantages. They have a simpler design, are easier to process, and can be produced at lower prices because of the simpler design. They are designed to identify the virus in people in real time, to process results quickly in minutes in Quidel's Sofia analyzers. Because of the simple design and proven technology it can be scaled up quickly to do millions of tests.  The U.S. currently has the problem that it is not able to do enough testing- about twice the current rate is needed to do what health experts recommend. A minimum of 4 million tests weekly is needed and followed up with contact tracing to make it safe for people to go back to work, says Ashish Jha of the Harvard Global Health Institute.   The U.S.   ...

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Some countries such as France are increasing kilometres of bike lanes in Paris and suburbs. Traffic has dropped in Paris and other cities to a point where people living in cities are looking for ways to preserve some of the good things from the public health crisis such as the quieter streets, less or no pollution, less traffic congestion. Some cities are closing areas on their rever fronts so that people have more room to walk and exercize. Cities doing this are Oakland, Denver, Minneapolis, Chicago and Philadelphia in the U.S., and Calgary, Winnipeg, Vancouver in Canada. Cycling and walking is becoming popular.  In Berlin motor vehicle lanes are being replaced with bicycle lanes in many streets. In Bogota 35 kms. of auto traffic laneshave been converted using cones into bicycle lanes. In March the mayor of Mexico City suggested 130 kms of temporary bicycle lanes. This report in the Guardian says London is one of the cities that have not acted quickly to make these changes for larger bike use. ...

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This is part of France 24's "A world confined" series. It shows testing in Germany with Centogene doing 50,000 tests and 7000 tests in Rostock. About 50 such companies are leading the testing effort in Germany making testing convenient and readily available. It also shows problems with testing in Russia, and the problems in developing countries such as Gabon where running water is lacking to wash hands, and in war torn Afghanistan where a large part of the population could be affected by coronavirus.

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1.2 million people left Paris just before the lockdown to places in the countryside from Brittany to Normandy. What happened to these people and the Paris they left behind? There are positive developments- for the first time many have experienced the quiet of the countryside and being close to nature in a way they never did before, realizing now how precious this is. Some families have decided to make a new beginning leaving Paris and starting a new life in another part of the country. This means less stress for the family trying to get their children to the right schools, less stress at work with the new rules on how work will be organized, and a chance to be closer to nature and away from the bustle of the city. Others are returning but aware of how they were perceived. Parisians who stayed say this Paris under lockdown is "everything we need." The city was quiet with an unusual calm, a peaceful environment and neighborhoods that were never like this before. Anne Hidalgo, the mayor of Paris is looking for ways to keep some of what was gained such as more cycling and a better lifestyle. She is putting in new bike lanes as quickly as possible for as many kilometres as can be done. Hidalgo vows to keep the city from being overcrowded with cars after reopening May 11. A journalist who was going around this quiet calm Paris says Paris has never been more pleasant than it is now. Who could have imagined that there is something to be learned from adamantine difficulties, from stumbles such as this one. Paris and France were stuck in a problem that they had prepared well for in 2002 with SARS and 2009 with H1N1, having afterwards abandoned the public health precautions during austerity policies and misplaced priorities.      ...

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Workmen are busy installing many miles of bicycle lanes in Paris and its suburbs, as French people shift to more frequent use of bicycles to get to work and to go outside.

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Like South Korea and Taiwan, French people are adapting to use of masks outside. They are now required to ride the subway and use public transport.

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Closing fast in Asian countries have helped these countries to reopen faster. South Korea and Taiwan are examples of swift action and the benefit of experience from past epidemics, public cooperation and understanding that is not as prevalent in the U.S. and Europe. SARS and MERS prepared Asian countries for this virus compared to countries in Europe and the U.S.

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Prime minister Boris Johnson says he will proceed with "maximum caution" as he plans reopening of the economy. The reproduction R ratio for the virus is just below 1.0 and may have gone up recently, say public health officials. Britain faces a problem of deaths in care homes that is not under control.

Prime minister Johnson will announce Sunday new moves which will be limited- allowing people to go out to take as much outdoor exercize as they like, and restart activities such as tennis, golf and fishing. Businesses will get guidance to prepare places for social distancing when people return to work. Restrictions on limiting people contact to those within their household will remain.

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This report in the NYT shows a grim reality that about 70% of 15400 nursing homes offering a place for the elderly in America are for profit and some owned by private investors who seek to turn a profit on the operations. With competition from home care support and assisted living facilities the investors were having a hard time turning a profit on the operations resulting in deterioration in quality of operations and care. 

 Japan, Scandinavian countries, and Germany, other countries have a better system for quality of life as people get older.

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The Trump administration suspended all flights from Europe on March 13, about one month after suspending all flights from China. This report in the NYT says there were about 10,000 estimated undetected infections in New York on March 1 when only 1 case of coronavirus was confirmed. It also says that researchers have tracked the mutations of the virus in all American states and found that most of it came from New York. Could the Trump administration have acted earlier than March 13 to stop flights from Europe? The state and city authorites in New York did not take the threat seriously by March 13, making it not clear that they would have acted earlier.   In places like Michigan which has Italian Fiat owned Chrysler operations, and automotive connections with Munich, Germany, reports show the virus coming from Europe. Munich based auto companies have extensive operations in China. In Louisiana the Mardi Gras celebrations around Feb. 25, received large numbers of visitors from New York, with research showing the virus mutations in Louisiana originated in New York. There was little awareness of the seriousness of the virus because of lack of past experience as happened in Asian countries. So that these kinds of public events bringing huge numbers of people in close contact were allowed to happen, and people who were cautious were likely to be ridiculed or shoved aside. New York continued to hold public gatherings at Madison Square Gardens and sports stadiums well into March, with complete disregard of the dangers, a decision made by local authorites.   ...

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The coronavirus is making implementation of the U.S. China trade deal less likely as Chinese imports from the U.S. decrease and China's exports continue to grow. China's exports to U.S. decreased by $60 billion but increased to other countries by $70 billion in 2019.

As a result the Trump administration is shifting its focus to another approach. The new multilateral approach is to combine the effort with allies Australia, India, Japan, South Korea, Taiwan, and France. This would take the shape of a Comprehensive and Progressive Agreement for Trans-Pacific Partnership to replace the old Obama period Trans Pacific Partnership which becomes defunct. The goal would be to build new supply chains with allies in Asia outside of China with the help of France and other countries that are wary of excessive dependence on China and have deep reservations of China's handling of the coronavirus outbreak.

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Britain recorded the most deaths in Europe. Brazil and Russia have over 10,000 cases of coronavirus each, and the U.S. records cases close to that in the peak in April. Cases were up worldwide for May 6 to 92,000 with a quarter of these cases or about 24,000 in the U.S. The jump in cases takes the total to 3.77 million with a third of them in the U.S., according to John Hopkins database. Russia and Brazil had a slow start but are now registering large numbers of cases showing that India and other countries with limited testing could face the same situation. Russia has ramped up testing, and so have the U.S. and the UK. Moscow's mayor Sergei Sobyanin says for example that about 300,000 of the 12 million people in Moscow have the virus based on sampling surveys, more than 3 times the confirmed cases. Restrictions remain in place in Moscow beyond May 11.  Countries that were hit earlier by the virus such as Spain and France are reopening gradually after May 11. France will use red and green zones to handle restrictions so that the restrictions are customized to each place in the country. ...

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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.

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President Trump shifts the mission of the White House Task Force to Safety and Reopening the Economy. Worldwide cases reach 3.72 million and death toll passes 261,000, according to John Hopkins University. U.S. deaths at 72,000 are about one third of the global total. U.S. confirmed cases are at 1.21 million.

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The deep deterioration in U.S. China relations as the U.S. sees itself in a disadvantage in trade with China and the Trump administration imposes tariffs, calls for changing existing supply chains and trade to safeguard U.S. interests. The lack of transparency from China about the coronavirus and the underreporting that led to the U.S. and Europe not taking the threat seriously enough or taking defensive steps is also seen as a part of the deeper problem as the U.S. and Europe bear the brunt of the coronavirus in terms of deaths and cases.  This presents a deeper problem than the trade issue by itself as the U.S. had a trade issue with Japan which was later resolved. The way the Trump administration sees itself as the only protector of U.S. interests in trade, security and international cooperation creates a new level of tensions. Other countries such as Australia, India, Japan, and countries in South East Asia are seen as having similar concerns as supply chains are being remade to reflect the new trading conditions and economic structures. ...