5 years later: does meningitis vaccine still protect?
Knowledge-focused
Not yet recruiting
This study checks how long protection from the MenFive meningitis vaccine lasts in people from Mali and The Gambia. About 450 participants who got the vaccine more than five years ago will have their blood tested for antibodies. No new vaccine or treatment is given—the goal is si…
Sponsor: Serum Institute of India Pvt. Ltd. • Aim: Knowledge-focused
Last updated Apr 26, 2026 20:01 UTC