All countries must prepare for Omicron surge-W.H.O warns

 The number of countries detecting the Omicron variant is “increasing daily”, the World Health Organization says.

Its geographic distribution is “likely already wider than currently reported” and nations must prepare for potential new surges.But scientists say it’s still too early to say if the variant causes more serious illness.

 

The US has meanwhile unveiled stricter travel rules after confirming a handful of Omicron cases.Separately, a UK trial of seven different jabs finds that Pfizer and Moderna vaccines give the best overall booster response.

 

And a review finds the risk of catching Covid remains higher for people belonging to certain ethnic groups.The UK reported a further 53,945 confirmed Covid cases on Thursday

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