Cohort study: Patients with Covid-19 infected with the Delta variant are twice as likely to need hospital admission or emergency care attendance.

Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study – The Lancet Infectious Diseases

Commentaries:

Importance of epidemiological factors in the evaluation of transmissibility and clinical severity of SARS-CoV-2 variants – The Lancet Infectious Diseases

Covid: Delta variant patients twice as likely to need hospital care – BBC

Covid-19 hospitalization risk doubles with Delta variant, UK study suggests – CNN

Expert reaction to study looking at risk of hospitalisation from the delta variant compared with alpha – Science Media Centre

Commentary on Twitter

The Delta variant is bad enough, but there has been debate as to whether it, per se, carries a higher risk of hospitalization (H) beyond its very high contagiousness. A new, rigorous study shows a doubling of the H rate https://t.co/qom8l6fw4v pic.twitter.com/CwXPOU0YWi

— Eric Topol (@EricTopol) August 27, 2021