Skip to main content
TrialFinder
TrialFinder is for informational purposes only and does not provide medical advice. Always talk to your doctor about whether a trial is right for you.
RECRUITINGOBSERVATIONAL

Understanding Immunity to the Flu Vaccine in COVID-19 Patients

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

The purpose of this study is to measure immunity to the flu vaccine over time in patients who have had COVID-19 and may have other medical conditions including obesity, type 2 diabetes, chronic fatigue, or long-term COVID-19 symptoms. Adults and children (age 9 to 64) who had been diagnosed with COVID-19 as well as controls without COVID-19 will be invited to participate in this study.

Who May Be Eligible (Plain English)

Who May Qualify: - Age 9 through 64 years - Diagnosed with COVID-19 at least 2 months prior enrollment - Patients with or without obesity, diabetes, chronic fatigue and/or long term COVID-19 symptoms - Patients without COVID-19 diagnosis for controls Who Should NOT Join This Trial: - Received the influenza vaccine less than 4 months ago - Pregnant or lactating - Patients with special risks attendant to venipuncture - Use of immunomodulatory medications that may impact vaccine immune response per clinician's judgment - Contraindication to the flu vaccine - weakened immune system or autoimmune conditions (where your immune system attacks your own body) that may impact vaccine immune responses per clinician's judgement Always talk to your doctor about whether this trial is right for you.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * Age 9 through 64 years * Diagnosed with COVID-19 at least 2 months prior enrollment * Patients with or without obesity, diabetes, chronic fatigue and/or long term COVID-19 symptoms * Patients without COVID-19 diagnosis for controls Exclusion Criteria: * Received the influenza vaccine less than 4 months ago * Pregnant or lactating * Patients with special risks attendant to venipuncture * Use of immunomodulatory medications that may impact vaccine immune response per clinician's judgment * Contraindication to the flu vaccine * Immunodeficiency or autoimmune disease that may impact vaccine immune responses per clinician's judgement

Treatments Being Tested

BIOLOGICAL

Flu shot

All participants will receive a single shot of the flu vaccine

Locations (1)

Stanford University
Palo Alto, California, United States