Th1 Response to Influenza: Aging and Vaccine Efficacy
Status:
Terminated
Trial end date:
2008-01-01
Target enrollment:
Participant gender:
Summary
This research study is being done because influenza (flu) affects many people each year
throughout the world. The elderly and those with chronic health problems are at greater risk
for complications from the flu. The purpose of this research study is to evaluate vaccination
strategies in the elderly and others receiving the influenza vaccination in order to increase
protection. All subjects will receive the flu vaccine as an injection in the muscle of the
upper arm. Participants may receive a booster [an extra dose of vaccine or placebo (inactive
substance)] shot. Study participants will include healthy adult volunteers, ages 21-40,
60-89, or 90 years and older. Subjects will be involved in study related procedures for 6
months.
Phase:
Phase 4
Details
Lead Sponsor:
National Institute of Allergy and Infectious Diseases (NIAID)