Britain said on Monday that the omicron variant of coronavirus was spreading at a "phenomenal rate" and accounted for about 40% of all infections in London so people should get an additional dose of the vaccine because double-jabbed people are vulnerable.
Since the first cases of the omicron variant were detected on Nov. 27 in the United Kingdom, Prime Minister Boris Johnson has imposed tougher restrictions and told the nation on Sunday that a "tidal wave" of omicron was about to hit.
Britain says that unless action is taken there could be a million people infected with omicron, which scientists say can still infect people who are double-vaccinated, by the end of the month.
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