By Elizabeth Piper LONDON (Reuters) -Britain’s health minister Sajid Javid said on Sunday he expected to receive advice imminently on whether the government can broaden a booster shot programme to try to weaken the impact of the newly identified Omicron coronavirus variant. A day after Britain said it had detected two cases of the variant, its health agency recorded a third – in a person who was linked to travel to Southern Africa but had since left the country after spending time in the capital London. The government announced new measures on Saturday to try to slow the spread of the variant,…

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