pertussis

    By Meru Sheel, University of Sydney and Alexandra Hogan, UNSW Sydney   We know vaccines have been a miracle for public health. Now, new research led by the World Health Organization has found vaccines have saved an estimated 154 million lives in the past 50 years from 14 different diseases. Most of these have been children under five, and around two-thirds children under one year old. In 1974 […]