At least 10 imported Covid-19 infections previously confirmed in Hong Kong carried a variant suspected to be behind the current devastating surge in India, the Post has learned.The researcher behind the discovery has called on the government to step up surveillance of the potentially more infectious mutated strain, which is being investigated by scientists around the world.Polytechnic University’s findings show that the 10 cases with the variant – officially known as B.1.617, or by its sub…
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