Study registration: *
Publication Bhattacharya A, Diabetes Metab Syndr, 2021
Dates: 2021-01-16 to 2021-05-31
Funding: Not reported/unclear
Conflict of interest: no COI (There is no conflicts of interest between the authors.)

Methods

Study design:Cohort
Description of participants: Adults attending a COVID-19 testing clinic and hospitalized COVID-19 patients in a single center in India
Inclusion criteria:
  • Aged >18 years
  • presenting to a COVID-19 testing clinic or hospitalized with COVID-19 from 1st May 2021 to 31st May 2021

Exclusion criteria:
  • NR

Follow-up duration (months): 4.5
Vaccines:
  • 2 IM injections in an interval of 4-12 weeks.
Variant description :
Variant name: Delta
Evidence: Indirect evidence (prevalence of variant in the population: 87%)
Documents
available

Protocol

NR

Statistical plan

NR

Data-sharing stated: NR
Data accessibility: NR
General comment Concerns about uncontrolled confounding, self-reported vaccination status and possibility of some selection bias in how the sample was assembled.