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A study shown in New England Journal of Medicine shows Pfizer vaccine 2 doses offers 88% protection from symptomatic disease for delta variant of coronavirus. The Astra Zeneca vaccine has 67% protection against delta variant after 2 doses.

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Researchers at Kyoto University and Hokkaido University present their analysis at the advisory panel to the Health Ministry in Japan on the Delta variant on June 23. The research by Prof. Hiroshi and Prof. Kimihito shows the Delta variant from India is 1.95 times more transmissible than the original virus.

The group of researchers examined PCR tests from Japan and an international database for their analysis. Based on data from Japan the researchers looked at the Delta variant is projected to account for more than half of new cases in Japan by July 12. By the time the Tokyo Olympics open on July 23 this variant is projected to account for 69% of new cases.  The researchers say the recent lifting of the emergency restrictions in Tokyo and other cities as well as the high transmissibility of the new variant is likely to increase risks from infections in future.

 

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With vaccine hesitancy in the US the goal of vaccinating a large part of the US population is still elusive. Less than half of the US population is fully vaccinated as of July 30. The vaccination rates in the US are now much slower than India even taking into account the population difference. The vaccination in India is at the rate of 4 to 5 million a day for the past week in India. In the US this report in The Guardian shows 4.7 million vaccinated in the past 2 weeks. On July 30 856,000 people were vaccinated in the US compared to over 5 million in India.  Newspaper reporting that encourages vaccine hesitancy people to delay getting vaccinated because of poorly reported headlines is adding to vaccine hesitancy in the US. This has led to much frustration at the White House. The threat of the Delta variant is making more people to take vaccination. Southern states are seeing a jump in vaccinations. Many prominent Republicans are now endorsing vaccination.  One of the problems in tackling the Delta variant is the confusing nature of the CDC guidance on masks. On May 13 CDC issued guidance saying masks were not necessary indoors and outdoors. Now 3 months later in July the CDC says the threat of Delta variant means mask wearing is essential particularly indoors because of the higher transmissibility of the delta variant.  ...

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The economy is booming but urban areas in the US are still recovering from the Delta variant and the problems left behind by the pandemic.

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China faces risk of a surge inthe coronavirus in June 2021. The area in and around Guangzhou appears to be seriously affected. The city tested almost its entire population of 18.7 million between June 6 Sunday and June 8 Tuesday. This report shows pictures of a deserted Beijing airport, strict restrictions on foreign travel. The SinoPharm vaccine effectiveness against the Delta variant in India and UK is unknown. The government is locking down entire neighborhoods rather than entire cities or provinces.  As the risks of the Delta variant and other new variants increases most of the population even in the US and Europe have either no dose or one dose. Researchers at the University of New South Wales in Australia show the Astra Zeneca vaccine effectiveness with one dose at only 30%, only after two weeks following the second dose does the vaccine effectiveness reach about 70%. The population of China and India are so large that much larger parts of the population remain unvaccinated. In China with 1.3 billion people and even if the figure of 800 million doses stated by the government is accepted- it could be an overestimate as the US has only managed 300 million doses with many vaccines- most of the population is unprotected. Vaccine skepticism is high in China making vaccination an uphill task. SinoPharmvaccine is not as effective as Pfizer, Moderna, Astra Zeneca, or Covaxin vaccines, making the task even more of an uphill kind. ...

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The third or booster dose of vaccine is needed to take out the Omicron variant. The UK Health Security Agency analyzed data from 581 Omicron cases and thousands of Delta cases to calculate how effective vaccines such as Pfizer and Astra Zeneca were against the Omicron variant. This early analysis shows a third booster dose prevents around 75% of people from getting any coronavirus symptoms. The double dose of the vaccine however provides good protection against severe coronavirus that needed hospital treatment says the UK Health Security Agency. Of equal concern is the rate of spread of the Omicron variant. Here this BBC report shows graphs of UK National Health Security Agency which show the rate of spread is rapid with cases doubling every 2-3 days. For the UK which on December 10 had about 1265 cases this means says this BBC report that the number of Omicron cases could be well above 100,000 in the UK by the end of December. The BBC graph shows the curve for Omicron cases moving in a close to vertical direction upwards. Reports say the experience in South Africa where the Omicron variant was first detected is similar in pattern causing rapid spread. ...

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Reports from hospitals and healthcare workers in Indonesia shown here in The Guardian provide a picture of a health system under severe stress. The government was not able to curb travel during the Eid holiday. Packed airports, bus stations and railways during the holiday travel period combined with the high transmission rate from delta variant has hit the country hard.

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The growing risk of coronavirus delta variant from the filled soccer stadiums in places such as Budapest, Hungary, St. Petersburg, Russia, Copenhagen, Denmark. Where many were not wearing masks and social distancing of any sort was not done. Covid researchers say the risk is real and DW.com looks at what is happening at the games in many European cities and stadiums in summer 2021.

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US president Biden takes strong action to prevent the spread of coronavirus Delta variant by introducing a vaccine mandate for 100 million workers, about two thirds of all American workers. All employers with more than 100 employees will have to require their employees to get vaccinated. All federal government workers and contractors, and recipients of medicare or federal funds are required to get vaccination.

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The Delta variant is bringing back the sense of how important a role masks play in controlling the pandemic even as more of the population gets vaccinated. Fan filled soccer stadiums and sports activities, entertainment activities, where social distancing is not practiced, is increasing risks of spreading the virus. Mask use is seen as an essential defense in preventing spread of the coronavirus worldwide and in every country.

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Pakistan follows other countries by making vaccination mandatory for all public sector workers. Pakistan also requires vaccination to go to airports. France and some other countries in Europe have taken this action to prevent spread of the Delta variant.

According to the US Census Bureau 3.6 million Americans say they face eviction in 2 months as the Supreme Court voted 5-4 to end suspension of evictions July 31, 2021.

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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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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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The Biden administration plans to have booster shots for most Americans 8 months after the original second dose. It will start with health care workers and older Americans as early as mid-September. This is designed to control the spread of Delta and other variants and protect people.

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The US has a history of vaccination mandates, going back to the Revolutionary War under George Washington when all soldiers in 1777 were required to be vaccinated and Boston required the population to be vaccinated in 1809 for smallpox. Vaccine mandates were adopted during the measles, and diphtheria vaccination campaigns, and for other diseases. It is only through the mandates that these diseases were controlled. The coronavirus is no different as states and cities across the US take up mandated vaccination to avoid taking any risks with the fast spreading Delta variant.

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After stalling in summer 2021 US vaccination picks up in August to 865,000 on August 4, 2021. At one point vaccinations reached 3 million a day and stalled with younger people hesitating to get vaccinated. Some southern states Tennessee, Oklahoma and Georgia see a surge in vaccinations. This happens as US daily cases exceed 100,000 for the first time on August 4. Of this 50% are in 8 southern states including Florida, Texas, and Louisiana. Florida is the worst affected state. Hospitals are again being overwhelmed with new cases of delta variant among the unvaccinated in August. Southern states have lagged behind in vaccination.

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Some of the coverage such as this report in the WSJ looks at the empty stands and the loss of ticket sales, the strict rules that limited movement and the restrictions, seeing the Tokyo Olympics as a strange sporting event. Yet for the billions of viewers on television around the world the Olympics brought some relief and sense of exhilaration from the daily news of the delta variant and the pandemic. In many countries such as India, Britain, Canada, the US and Japan, viewers followed their favored athletes for 17 days. The Japanese government was able to pull this off precisely because they took the safe and tested route of empty stands and televised viewing around the world. This was also a needed precaution because of concern within Japan and fears of spread of the Delta variant.  The restrictions produced results- as 400 infections were confirmed for 190,000 people working at the games. Few clusters emerged from infection in the Olympic village as daily testing and rules for social distancing and hygiene were enforced for 11,000 events. Nine out of ten Japanese watched Japan win 58 gold medals including 9 in judo alone. In terms of grit and resilience, and keeping a glimmer of hope and revival during the pandemic, yet not letting its guard down even for a bit, accepting moments of doubt at times, Japan has shown the way when things are tough.    ...

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Already vaccination experts at the Baylor College of Medicine cited here say they foresee another wave of the coronavirus in the Southern US because of vaccine skepticism barriers to vaccination, and much of the population not being vaccinated. The percentage of the population in the Carolinas, Georgia, Georgia and Louisiana, that has both doses of vaccine is low. About 50% have had just one dose. In southern states Mississippi and Alabama the vaccination rates are much lower leaving large parts of the population unvaccinated. The widespread presence of the Delta variant in the UK and the R rate being between 1.00 and 1.2 in UK shows that the UK even with higher vaccination rates than the US is still facing a danger of another wave as it reopens.  The ominous aspect of this is that from just over 400,000 the vaccinations per day dropped to 316,000i n the US. This means there will be a period when vaccination drive is stalled while the reopening is fully underway with a new contagious variant twice as contagious as the original coronavirus. This leaves the US at risk of another wave, with the south and western US, younger people who are out more and unvaccinated, more at risk.  ...

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Germany faces the possibility of a pandemic surge of the unvaccinated, something that is happening today in the southern United States.  For days the percentage of people that are fully vaccinated remains at 62%. Some vaccination centers are closed. A vaccination center outside the train station in Cologne offers passersby free vaccinations. Berlin's Social Democrat mayor Michael Muller is very frustrated. He says "I am now coming to a point where I think we have exhausted what we can do in politics."  At 62% the rate of fully vaccinated people in Germany is too low to prevent a surge of the Delta variant in the way that it has hit the southern US, and California. Vaccination rates of close to 85% are needed to tackle the risk of another surge in highly contagious delta variant. Not everyone remaining is die hard opposed to vaccines. The Robert Koch Institute estimate is that 5 to 10% of people are in that die hard category. The remaining 20-30 % are people who have various other concerns and fears, hesitancy, that may be changed.  The chairman of the World Medical Association Frank Ulrich Montgomery favors a vaccine mandate, what he calls a 2G rule, that should be introduced in Germany requiring vaccination to attend events, sports, restaurant visits, adopted nationwide. German government has rejected idea of mandatory vaccination of health personnel, that was adopted in France. Vaccination drives are regionally based. Some are ineffective such as the Deutsche Bahn train system vaccination drive for commuters that only had a few hundred doses of J&J vaccine and ran out quickly in Berlin. One prick J&J some say is better for vaccine skeptics. Vaccine skeptics think they may get away without getting covid infection. How does one get over this misconception? Others including members of the Greens party say vaccine needs to be delivered where people are- transit points, bus stops, doses offered in evening and early morning hours, trying new ways to reach people and inspire confidence. Germany now ranks behind France but ahead of Bulgaria in terms of vaccination percentage in September 2021, not a good situation. ...

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The rule requiring health pass showing one is fully vaccinated goes into effect in France starting July 28 at restaurants, coffee shops, trains, and other public places. For the first week restaurants will not be fined. After this they can be fined 1500 euros for a single violation. The passe sanitaire in France is now required  for all public places where more than 50 people gather, such as events and museums including the Louvre in Paris. It will be extended to restaurants, cafes and shopping centres in August.

French premier Castex says 97% of the 18000  daily average new cases in France, up by 150% since the prior week, are from the unvaccinated. This has made health authorites and the government concerned about the delta variant high transmission rates and the high proportion of people still not vaccinated. For France this poses risk of a new kind of fourth wave, causing the government to take strong action to accelerate vaccinations.

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The Biden vaccination target of 70% of American adults at least partially vaccinated with one dose by July 4, 2021 remains elusive as vaccination rates have dropped. From a high of 2 million a day vaccinations have dropped to 400,000 a day during the first week of June 2021. Vaccination skepticism particularly in the south and western part of the US is making it harder to vaccinate the rest of the US population. This poses increasing risks as the new variants of the virus such as the Delta variant found in India, and now the most widely prevalent strain of virus in the UK, remain a serious problem. The unvaccinated population in the US is too large for any degree of safety in numbers vaccinated. Consider that at the press briefing given by the White House on June 3, 2021, only 28 states out of 51 states have fully vaccinated 50% or more of their population. There is a large variation between different states with states in the south such as Mississippi as low as 34% at least one dose and a similar situation in Alabama. In Arkansas, Georgia, Carolinas, and Louisiana  it is higher at about 50% with at least one dose. Even these figures are deceiving as in some parishes in Louisiana only 20% have even one dose. Studies show that only after the second dose are enough antibodies released to protect well against coronavirus. This is why vaccine experts at Baylor College of Medicine cited in NYT foresee a second wave in the southern US because of the South so underachieving in the case of vaccination.  ...

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Omicron cases are up in an almost vertical line on a graph with cases doubling every 2-3 days in the UK, similar to the pattern in South Africa during the beginning of the spread in South Africa. Since then early data in South Africa show the trend in the province of Gauteng, center of the omicron outbreak in South Africa in the Johannesburg area, has reached its peak. On Dec. 16 it recorded 27% of national infections compared to 70% the week before. Head of the National Institute of Communicable Diseases in South Africa, Michael Groome, says "we had areally dramatic increase in Gauteng, which has now leveled off."  Hospital admissions in South Africa show a different pattern than earlier hospital admission rates in previous waves, with only 1.7% of cases being hospitalized in this Omicron wave compared to 19% for the Delta variant wave at a similar point in the wave, says Health Minister Joe Phaahla. In UK as of Dec. 14, this WSJ report cites health authorites saying 73% of cases in London are omicron variant, doubling every 1-2 days, with omicron making up 41% of all cases in England. In the US the Centers for Disease Control show Omicron variant making up 2.9% of all cases in US as of Dec. 11, with highest concentration in New York, New Jersey of 13.1%. Proportion of positive tests went up from 3.3% to 5% in New York City. A convention in New York City, Anime convention at Javits Center, November 23, 2021, shown in a recent NYT report, could potentially have acted as a super spreader event in New York according to NYT though not confirmed, similar to football stadiums events in Italy in March 2020. Dense atmosphere and large crowds increase the risk of a super spreader event happening, say experts. ...

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So far Covax Africa is proving to be a failure. Consider the numbers 1 billion people only 31 million vaccines given. Another wave of the virus is underway with 130% rise in cases in Uganda, increase taking place in DRC, Namibia. About 30% increase in cases for all of Africa this week. The new Delta variant that is twice as contagious as the original virus is widespread in the UK and is an unacceptable risk in Africa and in Europe and the US.


 By comparison India has 1.2 billion people and 230 million people vaccinated with at least one dose.

US has 330 million people and has adminstered 300 million doses. UK and Brazil have each adminstered over 70 million doses.