U.S., Aug. 28 -- ClinicalTrials.gov registry received information related to the study (NCT07144202) titled 'Study on the Persistence of Immunity Following EV71 Vaccination' on Aug. 20.

Brief Summary: This is a thirteen-year follow-up study conducted as an extension of a Phase III clinical trial. In this study, a sub-cohort of volunteers who was eligible for enrollment and randomly administrated either 2 dose EV71 vaccine or placebo in the phase III clinical trial was selected to evaluate the EV71 immune levels 13 years after the primary vaccination.

Study Start Date: Aug. 10

Study Type: OBSERVATIONAL

Condition: Hand, Foot, and Mouth Disease Hand, Foot, and Mouth Disease (HFMD)

Recruitment Status: ENROLLING_BY_INVITATION

Sponsor: Ins...