PFE - Long COVID risk lower during Omicron - U.K. study

The odds of developing long COVID were between 20-50% lower during the Omicron wave of the pandemic than the Delta period according to the first of its kind study published in a peer-reviewed journal. The results varied depending on age and time since vaccination. Long COVID is characterized by hundreds of different symptoms such as fatigue, chest pain, and brain fog lasting more than three months. The researchers from King’s College London have based their study on data from the ZOE COVID Symptom study app. According to its findings published in the medical journal The Lancet, 4.4% of the 56,003 adults who first tested positive for COVID during the Omicron's peak, December 2021-March 2022, reported long COVID. That compared to 10.8% of 41,361 cases who were studied between June 2021 – November 2021 when Delta was dominant. While the study focused on long COVID risk of Omicron and Delta variants,

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Long COVID risk lower during Omicron – U.K. study