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The Omicron variant of COVID-19 is much less prone to trigger lengthy COVID threat than the Delta variant, new analysis within the UK has discovered.
Evaluation by researchers from King’s Faculty London of knowledge from the ZOE COVID Symptom research app revealed on Thursday in a letter to ‘The Lancet’ journal discovered the chances of experiencing lengthy COVID had been between 20-50 per cent much less through the Omicron interval versus the Delta interval, relying on age and time since vaccination.
Lengthy COVID is outlined by the UK’s Nationwide Institute for Well being and Care Excellence (NICE) pointers as having new or ongoing COVID signs 4 weeks or extra after the beginning of illness.
“The Omicron variant seems considerably much less prone to trigger lengthy COVID than earlier variants, however nonetheless one in 23 individuals who catch COVID-19 go on to have signs for greater than 4 weeks,” stated lead writer of the research, Dr Claire Steves from King’s Faculty London.
“Given the numbers of individuals affected it’s necessary that we proceed to assist them at work, at house and inside the NHS [National Health Service],” she stated.
Lengthy COVID signs embrace fatigue, shortness of breath, lack of focus and joint ache and these are stated to adversely have an effect on day-to-day actions, and in some circumstances may be severely limiting.
Affected person surveys recommend a variety of different signs might also be current, together with intestine issues, insomnia and imaginative and prescient deterioration.
This week’s analysis relies on the primary peer-reviewed research to report on lengthy COVID threat and the Omicron variant.
King’s Faculty London studied 56,003 British adults contaminated between December 2021 and March this 12 months, when Omicron was dominant, evaluating them with 41,361 circumstances when Delta was prevalent.
The UK’s Workplace for Nationwide Statistics (ONS) has discovered that 5 per cent of individuals reported a minimum of one lengthy COVID symptom 12 to 16 weeks after a coronavirus an infection.
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