Understanding Immunity to the Flu Vaccine in COVID-19 Patients
Recruiting
Observational Study
Corona Virus InfectionFlu VaccineImmunity
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
Ready to participate?
Review the details below, then apply to join this clinical trial.
At a Glance
Age
9 – 64
Sex
Any
Study type
Observational
Participants needed
230 (estimated)
Sponsor
Stanford University · Other
Who this trial is looking for
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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.
Trial Locations
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Eligibility Criteria
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 influenz…
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
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