Currently Enrolling Inpatient
Shigella Inpatient Study (CIR 337)


The purpose of this study is to evaluate the cross-species protection conferred by a re-challenge with a Shigella species of a different serotype.  The study (is):

  • enrolling 18-50 year olds
  • includes 1 or 2 ten day inpatient stays* (about 3-4 months apart)
  • 4-5 outpatient visits after each inpatient stay
  • Pays $3000 for one admission
  • Pays $5750 for two admissions

*not all subjects will be selected to return for admission 2

Complete the CIR Contact Form

Screening Dates

Thursday, September 30, 2021
Tuesday, October 5, 2021
Tuesday, October 12, 2021
Thursday, October 14, 2021
Friday, October 15, 2021
*first screening visit is not compensated.  Parking sticker or MTA tokens will be provided for transportation.

Screening Location

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

Study Period

For one inpatient stay:
about 3 months from admission day

For one inpatient stay:
about 9 months from 1st admission day


For one inpatient stay:
up to $3000

For two inpatient stays:
up to $5750


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