The study, conducted by King’s College London, found that Omicron was 20-50% less likely to have long-term COVID disease compared to the Delta variant, depending on age and time. elapsed since vaccination.
According to Sky News, the researchers used data from the Zoe-COVID Symptom Study and lead author Dr Claire Steves said: “The Omicron variant appears substantially less likely to cause long COVID than previous variants but still one in 23 people who catch COVID-19 go on to have symptoms for more than four weeks.
“Given the numbers of people affected it’s important that we continue to support them at work, at home and within the NHS.”
The analysis showed that 4.4% of Omicron cases were long-term COVID, but more than twice (10.8%) Delta cases showed signs of long-term COVID.
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