HPV vaccine doesn’t provide herd immunity or crossprotection

WASHINGTON – The prevalence of human papillomavirus (HPV) types 16 and 18 has significantly decreased, but only among vaccinated women; national data show no evidence that the vaccine targeting them has conferred herd immunity or encouraged a shift toward lower-risk types. From 2003, before the...
Source: Skin and Allergy News - Category: Dermatology Source Type: news