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Active, not recruiting No phase listed Observational

A Study to Look at the Health Outcomes of Patients With COVID-19 and Influenza

ClinicalTrials.gov ID: NCT05160636

Public ClinicalTrials.gov record NCT05160636. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 6:46 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Patient-Reported Outcomes Associated With COVID-19 and Influenza: A Prospective Survey Study on Outpatient Symptomatic Adults With Test-Confirmed Illness in the United States

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The main purpose of this study is to understand: * the symptoms of COVID-19 or influenza- health-related outcomes of people with COVID-19 or influenza (influenza only included in updated study analyses) * the potential effects of COVID-19 vaccines in people with COVID-19 This study will enroll participants who are: * 18 years or older * reported to have symptoms with tests that have confirmed illness. The tests can be taken at any of CVS pharmacy COVID-19 or influenza test sites. The study will collect vaccine history information from participants who are ready to take part in the study. Participant will be emailed a form with questions about their health related to COVID-19 or influenza during multiple follow-ups over a 6-month period.

Study identification

NCT ID
NCT05160636
Recruitment status
Active, not recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
Pfizer
Industry
Enrollment
999 participants

Conditions and interventions

Interventions

Biological

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 30, 2022
Primary completion
Jan 30, 2027
Completion
Jan 30, 2027
Last update posted
Mar 30, 2026

2022 – 2027

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Pfizer New York New York 10001

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05160636, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 30, 2026 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05160636 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →