Covid: Delta variant doubles risk of hospitalization, says study

Published by Graziella de Sortiraparis · Published on August 31th, 2021 at 11:35 a.m.
The Delta variant of Covid-19 is almost 40% to 60% more transmissible than the original strain, and doubles the risk of hospitalization and severe forms of the disease, according to a British study.

A British study published this Saturday in The Lancet Infectious Diseases indicates that people infected with the Delta variant of Covid-19are twice as likelyto be hospitalized than with the original strain, the Alpha variant. It is already known that thisDelta variant is 40% to 60% more transmissible, but information on its severity is still scarce.

The authors of the study were able to analyze data from around 43,000 cases of covid in England between March 29 and May 23, and found that patients are increasingly younger, with an average age of 29, compared with 31 for the Alpha variant. According to their research, the risk of being admitted tohospital is multiplied by 2.26 with the Delta variant. At the time of the study,three-quarters of patients were unvaccinated, and a quarter had received a single dose. Fully vaccinated patients accounted for just 1.8% of infections.

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