• Wednesday, Dec 01, 2021
  • Last Update : 04:59 am

WHO says don't dismiss AstraZeneca shot after South Africa delays jabs

  • Published at 10:13 am February 9th, 2021
Britain coronavirus vaccine Covid-19 AstraZeneca
Brian Pinker, 82, receives the Oxford University/AstraZeneca Covid-19 vaccine from nurse Sam Foster at the Churchill Hospital in Oxford, Britain January 4, 2021 Reuters

South Africa has 1.5 million AstraZeneca vaccine doses, which will expire in April

The World Health Organization insisted Monday that the AstraZeneca vaccine was still a vital tool in the global fight against the coronavirus pandemic, after South Africa delayed the start of its inoculation program over concerns about the drug's efficacy against a virus variant.

As concerns rose over the AstraZeneca shot, the United States said it had lost its first sitting member of Congress to the virus, 67-year-old Texas Republic Ron Wright, who had also been battling cancer. 

President Joe Biden called Wright a "fighter who battled bravely against both cancer and COVID-19." His death came after a 41-year-old Republican House member-elect lost his life to the disease in December, just days before he was to be sworn in.

In South Africa, alarm was raised when a trial at Johannesburg's University of Witwatersrand concluded the AstraZeneca vaccine provided only "minimal" protection against mild to moderate Covid-19 caused by the variant first detected in South Africa.

That was bad news for many poorer nations counting on the logistical advantages offered by the AstraZeneca shot.

But Richard Hatchett, head of the Coalition for Epidemic Preparedness Innovations (CEPI), said it was "vastly too early to be dismissing this vaccine."

"It is absolutely crucial to use the tools that we have as effectively as we possibly can," he said, speaking at the WHO's regular biweekly press briefing on the pandemic. 

Also Read - WHO experts discuss AstraZeneca Covid-19 vaccine

The AstraZeneca vaccine is currently a vital part of Covax, the system set up to procure Covid-19 vaccines and ensure their equitable distribution around the world.

It accounts for almost all of the 337.2 million vaccine doses Covax is preparing to begin shipping to some 145 countries during the first half of the year, once it receives WHO authorization, expected next week. 

South Africa, the continent's hardest-hit nation, had been due to start its campaign in the coming days with a million AstraZeneca doses.

However, the government decided to hold off because of the results from the trial.

"It's a temporary issue that we have to hold on AstraZeneca until we figure out these issues," Health Minister Zweli Mkhize said Sunday.

South Africa has 1.5 million AstraZeneca vaccine doses, which will expire in April.

AstraZeneca also stood by its product.

"We do believe our vaccine will still protect against severe disease," it told AFP.

A company spokesperson said researchers were already working to update the vaccine to deal with the South African variant spreading rapidly around the world.

South African trial

“While the overall efficacy of the AstraZeneca vaccine was 66% in the larger study that includes the UK, Brazil and South Africa, the South African data on its own showed only 22% efficacy,” said WHO Director-General Tedros Adhanom Ghebreyesus, reports Reuters.  

“We know from the overall trial that the AstraZeneca vaccine is effective against other pre-existing variants. We’re just not confident about its efficacy against the 501Y.V2 variant," he added.

Professor Karim said South Africa is considering a proposal to rollout the vaccine among 100,000 people initially, and monitoring their hospitalisation rates based on a threshold.  The country also plans to move ahead with deploying vaccines made by Pfizer/BioNTech and Johnson and Johnson, according to media reports.

WHO has a mechanism in place for tracking and evaluating Covid-19 variants, which is being expanded to provide guidance to manufacturers and countries on changes that may be needed for vaccines.

The agency’s Strategic Advisory Group of Experts on Immunisation (SAGE) met on Monday to review the Oxford-AstraZeneca vaccine, and its recommendations are forthcoming.  

Russian virus deaths 

Worldwide, the coronavirus pandemic has claimed more than 2.3 million lives out of 106 million known infections. 

Russia recorded a dramatic increase in mortality in 2020 fuelled by the coronavirus pandemic, according to new data published by the Rosstat agency. 

The figures showed that between April -- when the pandemic hit Russia -- and December, the country saw 162,429 coronavirus-related fatalities.

However, as of Monday, the official total released by Russia's health officials stood at only 77,068 virus deaths. 

As inoculation programs are rolled out around the world, Facebook announced Monday it would ban groups that repeatedly spread false claims about the virus and vaccines in general.

The social media giant has updated a list of debunked claims about the virus and existing vaccines with the help of the WHO. 

Facebook's critics, however, were unimpressed.

"Facebook has been promising to crack down on Covid and anti-vaxx misinformation for the past year," the nonprofit Center for Countering Digital Hate wrote on Twitter.

"Every time, it fails to meet these headline announcements with action."

Biden: Worse than we thought

Efforts are underway in the United States, the hardest-hit nation, to accelerate its mass vaccination program, which has been plagued by supply and logistics issues.

The more contagious and possibly more dangerous British variant of the virus is spreading rapidly across the country, according to one new study.

Although yet to be peer-reviewed, the study does offer the most comprehensive look at the rise of the variant, known as B.1.1.7. Scientists led by researchers at The Scripps Research Institute analyzed half a million test samples collected across the country since last summer.

Biden, who took office last month, said his predecessor Donald Trump's handling of the pandemic "was even more dire than we thought," in an interview Sunday.

There was less vaccine available than they had initially been led to believe, he said.

The United States is the country that has suffered most from the virus, recording more than 463,000 deaths.

Schools reopened Monday in Romania, Denmark and Austria. Museums and shops were also due to reopen in Austria.

But the Netherlands decided to extend its overnight curfew to March 2, because of the more contagious coronavirus variants circulating. The measure has already provoked riots there.

On Tuesday, an international team of experts in China investigating how the outbreak started were due to speak to the media in Wuhan, the WHO announced.

The briefing, at 4pm local time (0800 GMT) at a hotel in the city, will be live-streamed in English on the UN health agency's digital and social media platforms.

The first Covid-19 cases were detected in Wuhan in December 2019.

Scientists think the disease originated in bats and could have been transmitted to humans via another mammal.

But there are no definitive answers so far, and top WHO officials have played down the chances of the sensitive investigation mission finding them on the first attempt. 

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