Omicron will have major impact, says WHO chief

Certain features of the Omicron variant, including its global spread and large number of mutations, suggest it could have a major impact on the course of the Covid-19 pandemic, said the chief of the World Health Organization.

With the Omicron variant now present in 57 countries, WHO Director-General Tedros Adhanom Ghebreyesus warned at a press briefing that it can spread more rapidly than previous variants, Xinhua news agency reported.

We are now starting to see a consistent picture of rapid increase in transmission (rates), although for now the exact rate of increase relative to other variants remains difficult to quantify, he said.

Emerging data from South Africa suggest increased risk of re-infection with Omicron, but more data are needed to draw firmer conclusions, he added.

While some evidence might suggest that Omicron causes milder symptoms than the earlier Delta variant, it’s still early days to draw any final conclusions, WHO experts have said.

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