COVID-19 symptom severity and duration among outpatients, July 2021-May 2023: The PROTECT observational study.

ABSTRACT:

Introduction

With the emergence of new SARS-CoV-2 variants has come significant variations in disease manifestation, severity, and duration in non-hospitalized infected patients. To characterize symptom patterns and risk factors associated with symptom severity and duration, COVID-19 and influenza-like illness (ILI) outpatients and their contacts were enrolled at two sites in the United States of America and one site in Thailand.

Methods

COVID-19 infection was confirmed at enrollment with a positive antigen or PCR test. Baseline demographics and medical histories were collected from participants at enrollment and daily self-reported symptom questionnaires were obtained to assess symptom severity and duration. Risk factors associated with symptom severity and duration were de

SUBMITTER: Vashi B 

PROVIDER: S-EPMC11844841 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature