The risk of having long Covid is up to 50% lower with Ômicron, study says

Humans infected with the Omicron variant of coronavirus are less likely to develop long-term Covid, according to a study conducted at King’s College London, England, published Thursday (16/6) in The Lancet.

By analyzing UK patient data stored in the Zoe Covid Symptom Study, the researchers found that the chances of developing the condition during the current wave of the pandemic are 20% to 50% lower compared to the Delta wave.


Among the 56,003 cases investigated during the peak of Ômicron in the UK, between December 2021 and March 2022, 4.5% of people reported symptoms of prolonged Covid. In the previous wave, between June and November 2021, 10.8% of the 41,361 infected patients did not fully recover.

Values ​​varied depending on the age of the patients and the time at which they took the last dose of vaccines and compared unvaccinated and unvaccinated individuals.

This is the first study to show that the Ômicron variant represents a lower risk of developing comorbidities that involve, for example, prolonged fatigue, shortness of breath, muscle aches, joint pain, loss of smell and taste, and mental confusion. However, researchers warn that the risk still exists.

“This is good news, but do not disable any of your Covid precautions,” lead study author Claire Steves told Reuters in an interview with the agency.

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