Harare, 21 Sept. 2015 : The Honorable Minister of Health and Child Care Dr. David Parirenyatwa, in conjunction with WHO, UNICEF, and other partners, launched the National Immunization Days (NIDs) on 21 September in Harare. NIDs are selected days when measles vaccines as well as vitamin A supplements are given to children between the ages of 6 – 59 months, irrespective of vaccination status, and are extra doses which supplement and do not replace the doses received according to routine immunizations.