Illustrative estimate only - not verified by this sponsor. Contact the study team for actual compensation.
The goal of this study is to learn if short-term changes in the immune system alter how we process information and experience fear. The main questions it aims to answer are: Do people who receive typhoid vaccine respond differently than those who receive a placebo saline vaccine? Do people who receive typhoid vaccine experience changes in how they think and feel? Participants will: Attend four appointments at the San Francisco VA Health Care System; Receive typhoid vaccine or placebo at one of the visits; Have their physiological responding measured while listening to sounds; Complete questionnaires and psychological tests.
What happens when you apply
Reach out via phone or email to express interest
Brief call to discuss your health history
Medical screening at the research site
Begin your journey in the study
Inclusion Criteria: All Subjects: 1. Aged 18-60 years old 2. Trauma Exposed 3. Current PTSD/No history of PTSD Exclusion Criteria: 1. Contraindications to typhoid vaccine 2. Conditions associated with inflammation 3. Pregnancy or plans to become pregnant in next three months
imaguineapig pulls live data from ClinicalTrials.gov (NIH/NLM).Illustrative estimate only - not verifiedPay estimates are approximate ranges based on study type and are not confirmed by sponsors — actual compensation may differ. Eligibility indicators use limited criteria (age, sex) only. We do not provide medical advice. Always contact the study team directly to confirm compensation, full eligibility, and risks before enrolling.