Use lateral flow tests 鈥榟ours before鈥� festive get-togethers with high-risk people
20 December 2021
People should use lateral flow tests hours before meeting up with others in light of the apparent infectiousness of the Omicron variant, as those infected 鈥渕ay switch from being non-infectious to infectious within hours,鈥� says Professor Irene Petersen (UCL Epidemiology & Health).
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