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Japan's prime minister Abe announces that all elementary, middle and high schools will be closed for one month. This followed speculation that the prime minister was not taking enough action and the possible cancellation of the Tokyo Olympics.

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Britain cautiously reopens some primary schools in the beginning of June. Only about 60% of teachers are ready to go back in June. Some schools are reopening but are using this as a way to make preparations for reopening on a wider scale later in June.

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Situations in school reopening where students take virtual classes in classrooms where teachers are exposed to coronavirus. Many schools are having teachers work remotely in these situations.

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Tour de France director tests positive. French prime minister takes test after sharing car with the director of Tour de France.

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About a third of coronavirus cases in France of three or more cases are in schools and universities as France tackles a second wave in October 2020. France has decided to keep schools open as a priority over closing schools as soon as there a couple of cases and there are no uniform rules across schools for masks to be worn. In France mask requirement begins in junior high with exceptions for lunch and gym class. In Italy the mask requirement is present for all grades until they take seats in class. Some schools ask children to keep masks on in the classroom. UK has no mask requirement in schools. Spain requires masks for all school children over age 6 years. Parents in lower income households lack the flexibility to keep children home while they go out to work. Many parents look forward to keeping their children in school after the long lockdown.

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A chaotic return of school children to school in September 2021 in most of Europe and America, because of a lack of clear statement on the rules to be followed for mask use, social distancing, and testing. Most children are also returning to school without vaccination.  It is also happening at this time in September when the Delta variant is spreading. US president Biden's decision for vaccine mandate for 100 million or two thirds of American workers comes at this time of uncertainty in schools about the future and coronavirus variant. In the US rules are being set school district by school district, at a time when vaccines are not approved for children under 12 years. One leading school administrator in the US says "it's as chaotic as you can get."

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One cannot imagine that this city is Hong Kong. It shows how the coronavirus is having some unexpected effects and interesting experiments. About 800,000 students are going through a 2 month school closure. The response is to setup a crash course in digital learning. Schools are sending lessons and assignments to students to online. Live video interactions are being conducted. Parents are involved in intensive home schooling efforts using digital learning.

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The importance of opening doors, windows, to let in fresh air is emphasized as a coronavirus protection effort. This is particularly important in reopening schools and colleges.

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A look at countries in Europe shows different strategies for tackling coronavirus Delta variant as schools reopen in September 2021. Italy requires all teachers to carry a covid digital certificate that shows vaccination or PCR test results. France, Germany and Spain do not require vaccination for teachers to go to schools, and rely mostly on social distancing and mask requirements in schools. Britain not only does not require vaccination digital certificate, but also has not made masks and social distancing mandatory. Health experts say there are serious risks in this approach with mass return to schools and offices after August 2021, and the fall weather with more time indoors. This could lead to a surge in coronavirus as in the US where the reopening of schools and Delta variant has led to surge particularly in states such as Texas, Florida, California. In UK 65% of total population is now fully vaccinated, in Italy 62%. Teachers in Italy fully support the new rules. In Lombardy region with Milan as the capital, only 300 out of 300,000 workers returned to schools without the green pass, according to regional officials. Britain remains an outlier says this report in the WSJ, taking more risks than is proper at this time, and simply hoping for the best. Not the best strategy in this situation.   ...

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This story in The Guardian looks at volunteer schools in Kashmir, India, as school children take classes in open meadows. Volunteer teachers are working to keep Kashmiri children in open air makeshift community classes in fields, pine forests and orchards,  so that some form of continuity in schooling can be maintained during the coronavirus. One volunteer teacher works with 100 children, And children have to cross rising rivers over wooden bridges in the rainy season, coming over long distances. Many families do not own a smartphone which cost Rs. 10,000 to %s. 15,000 to take internet classes. The government offers video classes on television and radio classes for older children in India. 

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Data from India in a large study shown in Science magazine show useful findings. Only a small number of people cause the wide spread of the coronavirus. This study covers the two southern states of Tamilnadu and Andhra Pradesh with total population of 128 million. Contact tracers in the 2 states reached about 3 million contacts for the 435,000 coronavirus cases. Researchers analyzed data from 85000 of these cases where enough data was available with 600,000 contacts. Some interesting findings are- About 5300 children infected 2500 contacts among other school age children showing children in schools can spread the virus. About 5% of the people account for 80% of the infections detected by contact tracing. 71% of the people did not seem to have transferred the virus to someone else. Median hospital stay is only 5 days much less than in the U.S. The number of deaths in India is much smaller than the U.S. less than 100,000. 5.2 million people out of 6.2 million people have recovered.       ...

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Research at the Perelman School of Medicine at the University of Pennsylvania shows the reduction of serotonin in the gut from coronavirus as a cause of long covid symptoms. This NYT report looks at the research findings.

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NHS in Britain plans to begin vaccinating children 12 to 15 years in a couple of weeks. School reopenings have caused concern about the health of children during coronavirus.

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Lacking a vaccine mandate or serious protocols for coronavirus such as mandatory mask use and social distancing, schools reopen in Britain without the safety action taken in other European countries. Italy has clear vaccine mandate for teachers, France and Germany have mandated use of masks and social distancing action, Britain none of the above.

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Italy starts its first gradual reopening on May 4. Parks will reopen, and people will be allowed to visit relatives with masks. Schools will remain closed till September. Prime minister Conte said in outlining the plan "if you love Italy, keep your distance." Italy has over 26,000 deaths from coronavirus. Mr. Conte said social distancing measures will be needed for months to come. 

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Opening windows and doors to let in fresh air is as important as wearing masks and social distancing to prevent coronavirus. In places where people gather and in homes it is important to let in fresh air so that there is new fresh air circulating in rooms 3-4 times for every hour. It is being used as a strategy in schools in Germany to bring in fresh air. Putting MERV 13 type air filters in central air conditioning and heating systems is important in offices, shops and other spaces. A complete redesign of the systems that are old is needed. There are 36,000 schools in the U.S. that have old failing systems of heating and cooling. It would cost $360 billion to change these systems if each system cost $10,000 which is on the low side. This shows that good intentions are not enough, new priorities need to be set and the old priorities which misallocated funds through existing capital allocation structures in the West coasts and East coast cities no longer serve the purpose of the Renewal of America.  ...

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On October 28 France reported 36,000 daily coronavirus cases. French president Macron announced a new lockdown starting October 30 that last till December 1.  Under this second lockdown people can leave home only to go to work, to go to school, to give assistance to loved ones, for essential shopping and for 1 hour of physical exercize. People will have to show documentation when leaving home. Travel between regions is banned. Bars and restaurants and nonessential businesses will be closed. Universities and higher education will be done online. Schools will remain open, essential businesses will remain open. Most public services will be open. Factories, farms and construction sites can continue to operate. There will be extensive economic support for business and people. Small businesses will have access to 10,000 euros per month of assistance, employees get short term work assistance, and people having trouble with rent receive assistance. About half of intensive care beds are now taken in France. And Macron said transferring patients to other regions will not be possible as the virus is everywhere. ...

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One of the surprises in this coronavirus pandemic is the decline in asthma among children. This is noted for India in the Indian Express. About 262 million children suffer from asthma in the world. The use of face masks, hand washing, and the lockdowns that limited the number of infections which lead to asthma attacks which come from school contacts with other children. Less pollution and better air quality during lockdowns also added to the improvement for children.

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Ireland becomes the first European country to go into lockdown. Daily coronavirus cases were at 1031 on October 19, 2020. All non-essential businesses shutdown and everyone asked to stay at home, with exercize allowed only within a 5 mile radius of home. Lockdown is for 6 weeks. Schools will be allowed to remain open.

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The new approach to tackle the coronavirus is to quarantine areas where it starts. The approach is being adopted in China, Italy, the U.S., Japan and other countries. Another part of this is closing of schools as in Japan and Hong Kong. Experts support this approach even though it was used in the 14th century.