Saturday, January 1, 2022

Covid: Omicron variant in Netherlands earlier than thought

The new Covid-19 variant, Omicron, was present in the Netherlands earlier than previously thought, officials say.

It was identified in two test samples taken in the country between 19 and 23 November, which is before the variant was first reported by South Africa.

It is not clear whether those who took the tests had visited southern Africa.

It was previously thought that two flights that arrived from South Africa on Sunday had brought the first cases of the variant to the Netherlands.

Fourteen people on the flights to the capital, Amsterdam, tested positive for Omicron, among 61 passengers who were found to have coronavirus.

Early evidence suggests Omicron has a higher re-infection risk. But scientists say it will take about three weeks before it is known how the heavily mutated variant impacts on the effectiveness of vaccines.

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“In a special PCR test, the samples showed an abnormality in the spike protein,” the National Institute for Public Health (RIVM) which announced the earlier cases, said on Tuesday.

“This raised the concern that the Omicron variant… might be involved. [Health officials] will notify the people involved and start source and contact tracing,” it said.

The RIVM also said that a number of different strains of Omicron were found among the passengers on board the two flights on Sunday.

“This means that the people were very probably infected independently from each other, from different sources and in different locations,” a spokesman said.

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Analysis box by Michelle Roberts, health editor

It’s unlikely we will ever know precisely when or where Omicron first emerged.

South Africa alerted the world to the new variant on 24 November after it found its first case. Since then, other countries have been on the lookout for it and more cases have been identified around the globe thanks to gene sequencing tests.

Not every nation has the ability, however, to carry out these added checks.

Even the UK, which is one of the front-runners using the technology, is unable to screen every positive Covid case to determine which variant is the cause.

PCR tests, meanwhile, can hint if a Covid case might be Omicron, but cannot confirm it for sure.

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Dutch authorities, meanwhile, are also seeking to contact and test thousands of passengers who have travelled from South Africa, Botswana, Eswatini, Lesotho, Mozambique, Namibia and Zimbabwe.

The US, Canada, the UK and the EU have all restricted travel from southern Africa amid concern over the new variant.

But the UN Secretary General António Guterres said he was “deeply concerned” about the isolation of southern Africa, adding that “the people of Africa cannot be blamed for the immorally low level of vaccinations available”.https://emp.bbc.com/emp/SMPj/2.44.5/iframe.htmlMedia caption, Watch Dr Angelique Coetzee, the doctor who first spotted Omicron, describe “extremely mild” symptoms in patients

South Africa’s President Cyril Ramaphosa said the wider region had been the victim of unfair discrimination, adding that the bans would not be effective in preventing the spread of the variant.

A foreign ministry statement also said the travel bans were “akin to punishing South Africa for its advanced genomic sequencing and the ability to detect new variants quicker”.

“Excellent science should be applauded and not punished,” it said.

Source: BBC

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