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Studies for Seniors »

Pfizer COVID-19 Booster 

To qualify for this study, participants must:

  • Be 18 -55 years of age and received 2 doses of Pfizer COVID-19 vaccine at least 3 months ago but no longer than 6 months ago
  • Not have received Pfizer COVID-19 Booster vaccine or third dose
  • Be in good general health -may have a stable medical condition (controlled by medication) but not active suicidal ideation
  • Not have severe adverse reactions associated with vaccines
  • Not have had a diagnosis of COVID-19
  • Not be immunocompromised
  • Not have a bleeding disorder associated with prolonged bleeding
  • Not be pregnant or breastfeeding
  • Not be receiving treatment with radiation therapy or immunosuppressive therapy
  • Not have received blood/plasma, immunoglobulin or monoclonal antibodies at least 60 days ago
  • Not have received medication intended to prevent COVID-19


PLEASE NOTE: You must confirm your eligibility before your appointment by calling 210-949-0122, ext. 290.

 *Compensation up to $714 may be available for time and travel. 

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