Clinical and virological features of SARS-CoV-2 variants of concern: a retrospective cohort study comparing B.1.1.7 (Alpha), B.1.315 (Beta), and B.1.617.2 (Delta).

Sean Wei Xiang OngCalvin J ChiewLi Wei AngTze-Minn MakLin CuiMatthias Paul H S TohYi Ding LimPei Hua LeeTau Hong LeePo Ying ChiaSebastian Mauer-StrohRaymond T P LinYee-Sin LeoVernon J LeeDavid Chien LyeBarnaby Edward Young

Published in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2021)

There was a signal toward increased severity associated with B.1.617.2. The association of B.1.617.2 with lower Ct value and longer viral shedding provides a potential mechanism for increased transmissibility. These findings provide an impetus for the rapid implementation of vaccination programs.

Keyphrases

sars cov
respiratory syndrome coronavirus
primary care
healthcare
computed tomography
public health
copy number
hiv infected
image quality
contrast enhanced
antiretroviral therapy
dual energy
quality improvement
magnetic resonance imaging
magnetic resonance
risk assessment
sensitive detection
quantum dots