Hong Kong should aim for a vaccination rate of at least 90 per cent against the coronavirus, health experts have said, after the city took almost nine months to hit its initial target of 70 per cent on Tuesday.The call to ramp up inoculation numbers came on the back of the November 11 roll-out of the local booster programme, as Hong Kong leader Carrie Lam Cheng Yuet-ngor and senior officials also received their third jab, raising expectations a fresh round of momentum could fuel a sluggish…
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