According to new study, the menace of long COVID became as soon as less all the draw thru the Omicron wave when put next with the Delta wave.
The SARS-CoV-2 Omicron variant is less inclined to motive long COVID than the Delta variant, new study has realized.
Diagnosis by researchers from King’s College London of recordsdata from the ZOE COVID Symptom explore app is printed this day (June 18, 2022) in a letter to the scientific journal The Lancet. The findings are from the first think-reviewed explore to tell on long COVID menace and the Omicron variant.
Long COVID is defined by NICE guidelines as having new or ongoing symptoms four weeks or more after the open of the disease. Symptoms consist of fatigue, shortness of breath, lack of concentration, and joint be anxious. The symptoms can adversely have an effect on day-to-day activities, and in some cases will be severely limiting.
Researchers realized the possibilities of experiencing long COVID had been between 20-50% less all the draw thru the Omicron duration versus the Delta duration, relying on age and time since vaccination.
The explore identified 56,003 UK grownup cases first testing sure between December 20, 2021, and March 9, 2022, when Omicron became as soon as the dominant strain. Researchers when compared these cases to 41,361 cases first testing sure between June 1, 2021, and November 27, 2021, when the Delta variant became as soon as dominant.
The prognosis reveals 4.4% of Omicron cases had been long COVID, when put next with 10.8% of Delta cases. Nonetheless, the absolute selection of folks experiencing long COVID became as soon as no doubt larger in the Omicron duration. This became as soon as resulting from the immense selection of folks infected with Omicron from December 2021 to February 2022. The UK Effect of job of National Statistics estimated the selection of folks with long COVID basically increased from 1.3 million in January 2022 to 2 million as of Would possibly perhaps well also honest 1st, 2022.
Lead author, Dr. Claire Steves from King’s College London, said: “The Omicron variant appears to be like considerably less inclined to motive Long-COVID than previous variants nonetheless tranquil 1 in 23 those who clutch COVID-19 fling on to comprise symptoms for bigger than four weeks. Given the numbers of folks affected it’s valuable that we continue to give a enhance to them at work, at residence and inner the NHS.”
Reference: “Effort of long COVID associated with delta versus omicron variants of SARS-CoV-2” by Michela Antonelli, Joan Capdevila Pujol, Tim D Spector, Sebastien Ourselin and Claire J Steves, 18 June 2022, The Lancet.
DOI: 10.1016/S0140-6736(22)00941-2