Home | Clinical HPV vaccine offers long-term protection Written by: Mark Greener | Published: 20 October 2014 The HPV vaccine does not decline over time Vaccination's efficiency against HPV 16 and 18 does not seem to decline during long-term follow up, according to a review of 10 randomised controlled trials – encompassing 46,436 patients – and five observational studies. Please login or register to read the rest of the article and to have access to downloads and comments. What do you think? Leave a comment below or tweet your views to @IndyNurseMag This material is protected by MA Healthcare Ltd copyright. See Terms and Conditions.