The Omicron coronavirus variant is much less more likely to trigger lengthy Covid than the Delta pressure, new analysis suggests.
The examine discovered the chances of experiencing lengthy Covid have been between 20% and 50% decrease in the course of the Omicron interval versus the Delta interval, relying on age and time since vaccination.
The evaluation was carried out by researchers from King’s School London utilizing information from the Zoe Covid Symptom examine.
Lead creator Dr Claire Steves, from King’s School London, stated: “The Omicron variant seems considerably much less more likely 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.
“Given the numbers of individuals affected it’s essential that we proceed to assist them at work, at residence and inside the NHS.”
The evaluation confirmed that 4.4% of Omicron circumstances have been lengthy Covid, in comparison with 10.8% of Delta circumstances.
Nevertheless, absolutely the quantity of people that had lengthy Covid was greater within the Omicron interval due to the huge numbers contaminated with the variant from December 2021 to February 2022.
The Workplace for Nationwide Statistics estimates the variety of folks with lengthy Covid truly elevated from 1.3 million in January 2022 to 2 million as of Might 1, 2022.
Lengthy Covid is outlined by the Nationwide Institute for Well being and Care Excellence (Good) tips as having new or ongoing signs 4 weeks or extra after the beginning of illness.
Signs can embrace fatigue, shortness of breath, lack of focus and joint ache.
In addition to affecting day-to-day actions, for some folks the situation may be severely limiting.
The examine recognized 56,003 UK adults who examined constructive between December 20 final yr and March 9 this yr, when Omicron was the dominant pressure.
Researchers in contrast these to 41,361 circumstances first testing constructive between June 1 and November 27 final yr, when the Delta was the dominant variant.
The evaluation is revealed in a letter to The Lancet.
Kaynak: briturkish.com