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New Delhi, April 13
The novel coronavirus variant first identified in the UK is not associated with more severe illness and death, but appears to lead to higher viral load which makes it more transmissible, suggests an observational study.
The study of patients in London hospitals is consistent with emerging evidence that this lineage is more transmissible than the original COVID-19 strain.
A separate observational study using data logged by 37,000 UK users of a self-reporting COVID-19 symptom app found no evidence that the B.1.1.7. variant altered symptoms or likelihood of experiencing long COVID.
Authors of both studies acknowledge that these findings differ from some other studies exploring the severity of the B.1.1.7. variant and call for more research and ongoing monitoring of COVID-19 variants.