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Julian Tang, a clinical virologist and professor at Leicester University looks at the risks of coronavirus variants. Variants from South Africa, B.1.1.7 variant and a variant from Brazil have complicated efforts of the vaccination drive in Britain, US and Europe. 

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Moderna has made the initial batches of doses of the vaccine for the variant of coronavirus including South African variant, and shipped these to the National Institutes of Health in the US. If the test results are positive the vaccine for variant could be given authorization by the third quarter of 2021. It is becoming crucial to stay ahead of variants developing from the coronavirus and pharmaceutical companies Pfizer, J&J, Astra Zeneca are working on the technology to tackle this.

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The Moderna and Pfizer vaccines are effective against the virus variant identified in Britain. It is less effective against the virus variant from South Africa. The U.S. banned all travel to and from South Africa effective Jan 30. U.S. coronavirus cases were at 125,000 on Jan 24 down 20% for the week. 

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20,000 new cases from coronavirus variant in South Africa as it struggles to cope, in this report in DW.com.

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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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For the regions hardest hit by the coronavirus and its variants- the US, Brazil, India, Europe, Russia, China and Africa, the researchers and the frontline workers in South Africa are doing an incredible job. This report by Stephanie Nolan in the NYT shows the work of researchers at KRISPS advanced medical research center and the frontline workers in South Africa, who are making a difference. Shown are researchers and scientists at KwaZulu Natal Research Innovation and Sequencing Platform in Durban, South Africa on whom the world depends for stepping up the fight against the coronavirus- Dr Tulio de Oliveira, principal investigator of the national genetic monitoring network, and Saleem Abdul Karim, epidemiologist. On the frontline workers who visit patients homes to make sure immune compromised patients have access to their medications is Sizakele Mathe, community health worker. Stephanie Nolan has provided a much needed account of what work is being done on the frontlines to keep us all safe. ...

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Stephanie Nolan's reports from Africa provide the few glimpses one can get today of the situation in Africa where variants are growing as a result of lack of vaccines (vaccine inequality) and the faltering vaccination drive, shortage of medicine and food supplies. Her report from South Africa showed how healthworkers and scientists in South Africa are working hard on the frontlines. This one from Zambia looks at the vaccination centers and vaccination workers as vaccination drives falter. The African continent with 1.4 billion people received 404 million doses. Today only 7% of the population is vaccinated in Zambia and the rest of Africa. People in Zambia do not have car transport so they have to walk 3-6 kilometres to get to a vaccination center, when they turn up at a center and it is out of vaccines they stop coming. Other problems are the social media accounts that show the vaccination drives as harmful to people, or CNN and other news that talk about blood clots that when carefully understood affect a tiny fraction of people. There are other issues also. Ida Musonda, a nurse in a clinic near Lusaka says after not many people turned up that she should go to markets and churches, but says there is no fuel for the vehicle to get clinic workers there. Bernadette Kawango is shown with her children. She works at an auto parts store and lives in a low income neighborhood in the edge of Lusaka. She ignores all the social media accounts that scare people from vaccines, yet she says she worries more about cholera, TB and malaria, and also HIV, AIDS. And she does not know anybody diagnosed with coronavirus.  The result is that there is vaccine shortage resulting in a kind of vaccine indifference (why walk miles to a center if it may not have vaccines), compounded by other problems such as the other diseases that also pose a threat in Africa, and the low incomes in a shrinking economy. And with about 8% vaccinated in Africa, the problem of variants can only be tackled by consistent and not erratic supply of vaccines. ...

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The first spread event for Omicron outside of South Africa is now known to be in Norwegian capital of Oslo. Some workers of renewable energy company Scatec SA returning from South Africa where the company has a solar panel project attended an annual holiday party. The party was at Louise an upscale Oslo restaurant, with 120 people all vaccinated, and tested the day before. More than half have tested positive for covid 19, with at least 13 having the new variant Omicron. Oslo municipal health department says it expects more Omicron cases among the 64 coronavirus cases as remaining workers get tested. The results so far are anecdotal and thin to be sure, yet they show none of the infected employees were seriously ill, says this report in WSJ, citing a company spokesman. The spokesman says people had different sysmptoms but none were severe. Tine Ravlo, assistant superintendent of the Oslo municipal government says- all of them are under isolation at home. And  for now they have what they describe as mild symptoms such as headache, cough, sore throat, and flulike symptoms.  Norway has 80% of population of 5.4 million people fully vaccinated. Mask mandates are in place again in Norway, private indoor gatherings limited to fewer than 100 people. ...

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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. ...