Currently Enrolling Outpatient
COVID/Flu Vaccine Study (CIR 348)


The purpose of this study is to test the safety of receiving a quadrivalent inactivated influenza (flu) vaccine and an mRNA COVID-19 vaccine on the same day or two weeks apart. The study (is):

  • enrolling people 12 and older
  • 4 months long
  • includes 1 phone screening, 3 vaccination day visits, 2 in-person follow-up visits and 4 phone follow-up visits.
  • pays up to $375

Complete the CIR Contact Form 

More about Flu

More about COVID

Screening Dates

Call us at 410-955-7283 to schedule a screening appointment.

Screening Location

CIR at Johns Hopkins Bayview Medical Campus
301 Building 4th Floor
301 Mason Lord Drive
Baltimore, MD 21224

Study Period

4 months long


Up to $375 for completion of all study procedures


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