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Protection from hospitalization for Omicron variants can drop to 57% from 81% after 6 months from second dose, and can be pushed back up to 90% using booster shots for Pfizer and Moderna vaccines, according to a large CDC study in the US. For Delta variant period last year the vaccine effectiveness against hospitalization was 90% from about two weeks after dose two till 6 months, dropping to 81% after 6 months, and up to 94% after a booster shot. For Omicron variant the currently vaccine effectiveness for same periods is 81%, 57%, and 90%.

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At a time in Jan. 2022 when 73% of Americans have received two dose vaccines and 39% have a booster shot according to the CDC, the US Supreme Court is deliberating on the Biden vaccine mandate that seeks to get the rest of the people vaccinated.

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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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Jenny Strasbourg of the WSJ provides this much needed report from London about the courageous decision by AstraZeneca and Oxford University to give vaccines away at no profit to the whole world, to billions of people in Africa, Asia, and Latin America. Without this brave decision by a British company and a British University the world would be a lot poorer, more variants could have happened, making us realize the great contribution Britain has made and how indispensable it is to the planet. Add to this the effort of Indian companies including Serum Institute that provided the manufacturing facilities and capabilities for making most of the British vaccine. AstraZeneca delivered 2.3 billion doses of the vaccine globally as of mid-December, according to the company. The International Monetary Fund estimates that low and middle income countries received 3.25 billion vaccines as of Dec. 11, About half of this or 1.6 billion doses were Astra Zeneca shots. This is a bigger share than any other vaccine by far and a life saver to the world. AstraZeneca stepped up early in a true to the best ideals in Britain to meet the needs of the world-  aiming to deliver 3 billion doses in 2022 and sell them at no profit as long as the pandemic continues. As the shot does not need cold storage it is ideal for India and other Asia, Africa and Latin America. "We are all very proud throughout the company of the impact we have had," says AstrZeneca CEO Pascal Soriot. By far the biggest manufacturing was done at Serum Institute of India which supplied 1.3 billion doses of the AstraZeneca vaccine to 70 countries. Mr. Modi pushed forward the export of vaccine made in India to the world from the beginning in the same spirit of cooperation and the best ideals that Britain was living upto. Serum Institute can produce as much as 250 million doses of vaccine a month making it possible for India to tackle the vaccination population of 1.3 billion people.   None of this could have happened without Oxford University and AstraZeneca and Indian companies with Mr. Modi's active support living up to the best ideals of Britain and India for the world. "When you add up the benefits to humanity, I think you'll find the vaccine holds up pretty well in terms of the ill health it has prevented, and the deaths it has prevented," says John Bell, a senior Oxford academic who in 2020 guided the University through its vaccine-partnership talks with Astra Zeneca. Because in the real world AstraZeneca shot has held up so well it is also a choice for booster shots. ...

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After a good start the vaccination drive is slowing both in India and the US. Vaccine supplies need to be boosted in India and the government has given approval to the Pfizer, Moderna and J&J vaccines to boost supplies. The Sputnik vaccine from Russia has also gained approval with new supplies of that vaccine expected in India. Vaccine skepticism is a problem in the US and Europe. Supplies of the Pfizer vaccine will be boosted in Europe with the EU contract for 1.8 billion doses signed recently. This should give the slow vaccination drives in France and Germany a boost.

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EU Commission president Leyen announces Pfizer will supply EU with 1.8 billion doses of Pfizer vaccine to 2023. The increased supplies will include booster shorts to increase immunity. Another change is the new date for 70% of European Union population to be vaccinated, which is now advanced to end of July instead of end of September. With new waves of the coronavirus affecting Europe, and criticism of the EU's earlier effort in securing vaccine supplies, more urgency has gone into the new effort in 2021. Leyen told Pfizer CEO Albert Bouria- "If I may say so, engineer the mRNA in a way that it can adapt to potential escape vaccines," at a joint press conference. Leyen thanked Pfizer for its enormous effort in boosting vaccine manufacture and delivery. This will help accelerate the vaccination effort in Europe after the slow start in March and April of 2021. Bringing much needed optimism and new hope of a lasting recovery both in economic activity, health and in the mood in Europe, which can then spread from the US and Europe to the rest of the world. ...

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German Heath Minister Karl Lauterbach says vaccine mandates are the only way out of this pandemic. Speaking to German daily Welt he said, gaining immunity through infection was a "dirty vaccination" that made little sense as it would not protect one against a more harmful variant. He saiid that it "would be naive to think that omicron is the end of the pandemic." Omicron would not make one immune to the next viral variant. "No one can guarantee that a variant will not develop soon that is much more dangerous."

Lauterbach says 25 million doses of the Moderna vaccine have been procured that would be enough for 50 million booster shots to be done in the first quarter of 2022.

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India reports over 300,000 cases for the fourth day in a row. German chancellor Merkel passes legislation that gives the federal government the power to set curfews to control the spread of coronavirus. Cases reach 166 per 100,000 in Germany and the government sees lockdowns to be in place till the end of May. Streets in Dusseldorf and other German cities are shown deserted at night.  The European Union deal signed with Pfizer for 1.8 billion doses including booster doses of the Pfizer vaccine, provides new hope for the vigorous vaccination drive needed in Germany and the rest of Europe. 

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European Union countries reopen for travel this summer. A new travel pass or digital Covid certificate is approved to promote freedom of travel as more people get vaccinated. About a third of people are vaccinated for first shot in France and about 40% in Germany, which means in coming weeks they will have the second shot and enough antibodies to make a return to normal life possible. The EU has negotiated this time with Pfizer for 1.8 billion doses and is building enough vaccine supplies. For the first time governments are stepping up with plans and resources allocated - in India the government now has plans to create supplies of 2 billion doses by the end of the year. This means there is new hope if the vaccination is accompanied by efforts to build booster shot supplies this time planning ahead. Managing the risk of those who are vaccine skeptical remains a problem to be tackled. Masks and other essential precautions also need to be followed in crowded spaces as this was neglected where there was a second or third wave. Public education for this is essential to better manage the pandemic. ...

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Latin America has made a huge turnaround through successful vaccination drives. Today more people are vaccinated as a percentage of the population in Latin America at 62% than in the US at 56% or Europe at 60%, according to Our World in Data project at Oxford University. There is little resistance to vaccines in Latin America after successful vaccine campaigns against yellow fever and other diseases. During the first year of the pandemic Latin America had one third of the deaths in the world with 8% of the population. Deaths after vaccination drives have dropped to 8%.  Brazil with 617,000 deaths from coronavirus was second only to the US with 800,000 deaths. Brazil is now back to normal after a successful vaccination drive that has 66% of the population fully vaccinated, and 80% with one dose, some of the highest rates in the world, according to Our World in Data at Oxford University. In Colombia with 50 million population about 50% of people are fully vaccinated. Cases have dropped from 30,000 in June to 2000 a day and deaths from 700 daily that month to 50 a day in December 2021. In Buenos Aires, Argentina's capital, 83% of three million population are fully vaccinated, 14% have received a booster. Buenos Aires city health minister says Argentine society has an affinity for vaccination campaigns. "They rapidly accepted receiving them," he says. Yet from the point of view of new variants emerging there is a different situation in rural areas. In industrial states such as Sao Paulo 78% are fully vaccinated, yet less than 40% are fully vaccinated in poor Amazon state of Roraima.   We make it a point to honor the brave reporters in these countries who provide the reports in the WSJ, as we did earlier for NYT Stephanie Nolan's reports from South Africa and Zambia about frontline workers against Omicron in Africa.  Luciana Magalhaes in Sao Paulo, Jenny Carolina Gonzalez in Bogota, and Sylvina Frydlewsky in Buenos Aires and Kejal Vyas writing this report from San Salvador. ...

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Greg Ip of the WSJ looks at the experience of states such as Illinois and California with lower economic growth than Florida and Texas during the pandemic because of increased restrictions and lockdowns or partial lockdowns. The Biden administration's approach in winter 2021 is to vaccinate as many people as possible, including use of vaccine mandates so that there is less need for the lockdowns that restrict economic activity and growth. In states such as Michigan which are evenly divided between the two parties Republican and Democrat, there is a sense of fatigue with lockdowns. Even with the recent surge in cases putting Michigan in November 2021 at the top of states with the highest number of cases, the state government and local governments sought help from the Biden administration with health teams dispatched from Washington, yet avoided restrictions to economic activity. Greg Ip says of the 10 states with worst job performance 8 had Democratic governors and voted for Biden. The new approach of president Biden is to keep economic activity and push vaccination and booster shots as quickly as can be done. Investments in infrastructure and other action is planned for rapid infusion of needed roads, bridges, with attention to local needs, and broadband to help generate economic growth.  ...