Participants needed for ETEC inpatient study

The Johns Hopkins Center for Immunization Research is looking for healthy volunteers to participate in an inpatient ETEC challenge study. If you are between the ages of 18-50 you may be eligible to participate. The study is 6 months long and requires the following:

  • 1-2 screening visits
  • 1 inpatient stay of 10 days
  • 1 follow-up visit
  • 1 follow-up phone call

Eligible people will be compensated up to $3,860 for participation.

For more information, call 410-955-SAVE (7283) or go to the ETEC challenge study page of the CIR website.


To see if you qualify for in-person screening, click here to complete the pre-screening survey.

Principal investigator: Kawsar Talaat, MD