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The UCSF BOOSTer Study Continuation

Currently enrolled BOOST participants are invited to continue their participation to help UCSF researchers study booster vaccination for COVID-19.

About the BOOSTer Study

Health officials have recently recommended booster vaccinations for all. We are inviting all current BOOST participants to continue their participation in order to assess the effectiveness of booster vaccinations. If you have already gotten your booster vaccination or plan to do so in the future, please consider extending your enrollment in the study and email us at if you would like to continue. 


As a reminder, participation includes completing a short questionnaire battery and a quick trip to UCSF for a blood draw 6-months after your booster shot (for most that is during Spring, 2022). For your participation, you will receive a $100 Amazon E-Gift card, but more importantly, you will be contributing to a one-of-a-kind study!  


The study aims to discover the best predictors of an optimal antibody response to vaccination and factors that promote long-term antibody response.  Understanding factors that influence long-term antibody response may help us figure out ways to improve the durability of the vaccine protection against COVID and other diseases. If you would like to learn more about the study, see our FAQ’s.


Why Should I Continue?

By extending your enrollment you will: 

  • Earn a $100 Amazon E-gift card 

  • Contribute to science and help researchers understand how stress can influence vaccination effectiveness. 

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why should I continue

Sub-Study Timeline

Booster Vaccination

Receive your booster vaccination and let us know the date you received it and the type of vaccination you received.

You may be asked to complete daily diaries or a short questionnaire if we know your booster appointment ahead of time.

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Follow Up Blood Draw
(6 months later)

There are 3 steps for the follow up appointment: 

Consent Form 

Take one minute to sign the updated consent form.

Follow-Up Questionnaire

15- 30 minutes online anytime a week before your blood draw appointment.

Blood Draw

Come to our clinic at Clinical Research Services (400 Parnassus Ave) for a small blood sample.

Study Complete! 
updated schedule

Contact the research team

(415) 409-8013


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