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WHO experts expect details of Omicron transmission ‘within days’

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More will be known about the transmissibility of the Omicron variant “within days”, global health leaders said.

Dr Maria Van Kerkhove, Covid-19 technical lead at the World Health Organisation (WHO), said it is still “very early days” in terms of understanding the new variant, but said information is coming in daily.

The Omicron variant has been reported in 23 countries, according to the WHO.

Speaking at a press briefing, Dr Van Kerkhove said: “We don’t have all the information yet on transmission in terms of if there is a fitness advantage, if it’s more transmissible.

“There is some suggestion of that, but again it’s early days.

“We expect to have more information on transmission within days, not necessarily weeks, but in days.”

She said they have seen reports of Omicron cases which “go from mild disease all the way to severe disease”, but said it is still early days.

“It is certainly possible that one of the scenarios is that the virus, as it continues to evolve, may still have a fitness advantage, meaning that it can become more transmissible, more transmissible than Delta, we’ll have to see.

“But we don’t know quite yet about the severity.”

She added: “Everything that we can do for Delta which is dominant worldwide, needs to be applied and strengthened for Omicron.

“So however, this unfolds, the way that we act now, the decisions that are taken now in every country, will benefit however Omicron unfolds.”

Dr Van Kerkhove said the vaccines that are currently in use have “very strong protection” against the dominant virus – Delta – that is circulating globally.

“So, it is absolutely critical that when it’s your turn you get vaccinated, because the chances of you developing severe disease and dying with vaccination is significantly less than if you’re not vaccinated.

“Vaccines are saving lives. And we need vaccines to get into the arms of all of those who are at risk in every single country, not just in some countries, and not adding more vaccines to people who are already protected, but getting that first and second dose to those individuals who are at risk in all countries.

“And this is really important that this is crystal clear today because there is still a lot of uncertainty around Omicron, and this data will come in and there are scientists around the world that are studying this.

“But there’s no indication to suggest that the vaccines won’t work. Even if there is a reduction in efficacy, it’s still better to have the vaccine because it will save your life,” she said at a press briefing.

Meanwhile, the global health experts said there is a lack of evidence to support offering Covid-19 booster jabs to an entire population.

Dr Mike Ryan, executive director of WHO’s health emergencies programme, said he is not aware of any evidence that would suggest offering booster jabs to the entire population gives any greater protection to healthy people.

He told the press briefing: “The primary objective, I think of all governments, now must be, in the face of Delta and Omicron and others, is to ensure that all vulnerable individuals, people of older age, people with underlying conditions, are immediately offered the vaccine to ensure that everyone has had at least a primary course of vaccine. – Irish Examiner.

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