Coronavirus: Study reveals which COVID variant is more likely to cause long COVID

A group of researchers from King’s College London have found that the chance of developing long-term COVID after infection is 20 to 50 percent lower during the Omicron wave in the UK compared to the Delta.

The peer-reviewed study, published in the medical journal Lancet, used data from the ZOE COVID Symptom study app.

It concerned 56,003 British adults who were infected between 20 December 2021 and 9 March 2022. These cases are hereinafter referred to as omicron cases as it is estimated that over 70% of UK cases at that time were attributable to the omicron variant. according to the study.

The study also looked at 41,361 patients who first tested positive between June 1, 2021 and November 27, 2021, when more than 70 percent of the cases were Delta’s.

The study included both symptomatic and asymptomatic infections for the Delta period, while for the Omicron period, only participants who tested positive before February 10, 2022 were considered. This was to ensure that all participants had at least 28 days to report symptoms after testing positive.

Also read: How do you know if you have a urinary tract infection? Common signs to know

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