U-shaped-aggressiveness of SARS-CoV-2: Period between initial symptoms and clinical progression to COVID-19 suspicion. A population-based cohort study
Abstract
Background: Early identification of different COVID-19 clinical presentations may depict distinct pathophysiological mechanisms and guide management strategies.
Objective: To determine the aggressiveness of SARS-CoV-2 using symptom progression in COVID-19 patients.
Design: Historic cohort study of Mexican patients. Data from January-April 2020 were provided by the Health Ministry.