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Your journey
1What's a trial
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More info
You can access this
clinical trial
if you have
Herpes Zoster or Shingles
and you are
over 50
years old
This is an observational trial.
You are contributing to medical knowledge about your condition.
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The purpose

This study will describe the impact of vaccination with ZOSTAVAX™ on the epidemiology of herpes zoster (HZ) in a cohort of vaccinated participants 50 years or age or older, compared to a cohort of unvaccinated participants.

Provided treatments

  • Biological: ZOSTAVAX™

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01600079. The sponsor of the trial is Merck Sharp & Dohme Corp. and it is looking for 1505647 volunteers for the current phase.
Official trial title:
Post-Licensure Observational Study of the Long-term Effectiveness of ZOSTAVAX™