Mande Wilkes: Vaccination Debate Needs Healthy SkepticismLettersFebruary 9, 2015December 16, 2022 by LettersFebruary 9, 2015December 16, 2022 IT’S GOOD TO QUESTION “HERD IMMUNITY” || By MANDE WILKES || I bet you remember your experience with chickenpox – how old you were, whether your...