Extended Data Fig. 1: Case-cohort set and trial timeline.
From: Immune correlates analysis of the ENSEMBLE single Ad26.COV2.S dose vaccine efficacy clinical trial
A) Case-cohort set. B-D) Distribution of participants in the case-cohort set by geographic region: B) Latin America, C) South Africa, D) US. E) Phases of the ENSEMBLE trial, timing of Ad26.COV2.S dose and serum sampling, and time period for diagnosis of the COVID-19 endpoint.
