WHO worries over fast spread of Omicron

WHO worries over fast spread of Omicron

The World Health Organisation said that the new COVID-19 variant Omicron, is more transmissible than the Delta strain and reduces vaccine efficacy but causes less severe symptoms.

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According to their report yesterday.

The Delta variant, first identified in India earlier this year, is responsible for most of the world’s coronavirus infections.

 
South Africa’s discovery of Omicron which has a large number of mutations last month prompted countries around the world to impose travel bans on southern African countries and reintroduce domestic restrictions to slow its spread.

WHO said on Sunday that the Omicron had spread to 63 countries as of December 9.

The faster transmission was noted in South Africa, where Delta is less prevalent, and in Britain, where Delta is the dominant strain.

 
But it stressed that a lack of data meant it could not say if Omicron’s rate of transmission was because it was less prone to immune responses, higher transmissibility, or a combination of both.

 
Early evidence suggests Omicron causes “a reduction in vaccine efficacy against infection and transmission”, the WHO said in a technical brief.

 
“Given the current available data, it is likely that Omicron will outpace the Delta variant where community transmission occurs,” it added.

 
Omicron infections have so far caused ‘mild’ illness or asymptomatic cases, but the WHO said the data was insufficient to establish the variant’s clinical severity.

 
South Africa reported Omicron to the WHO on November 24.

Vaccine manufacturers Pfizer/BioNTech last week said three doses of their jabs were still effective against Omicron.

 
Countries with sufficient vaccine supplies such as Britain and France have encouraged their populations to receive a third “booster” jab to fight Omicron.

 
PHW
WHO worries over fast spread of Omicron

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