Covid-19 testing in the time of omicron: Everything you need to know

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Covid-19 testing in the time of omicron: Everything you need to know
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If your omicron symptoms get better are you still infectious? Are lateral flow tests good at detecting omicron? Why have some countries changed their testing and isolation guidelines? Everything you need to know about testing in the omicron wave

– as long as you get a negative result on two LFTs, also known as rapid antigen tests. These must be done on days six and seven, and carried out at least 24 hours apart. People should remain cautious around others and avoid those who are vulnerable, though.In the US, the isolation period has beenfor people who have no symptoms or whose symptoms are on the wane, although you should still wear a mask around other people for a further five days.

“There’s huge variation in the length of infection, and huge variations in viral load,” says– and that 5 per cent of people will still be positive at day 10, although the guidance says you no longer have to isolate on day 11, no matter what your LFT results show.In the UK, people who test positive by LFT will no longer need to take a follow-up PCR test, a temporary change coming into effect on 11 January.

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