AdvertisementA Parent-To-Parent Campaign To Get Vaccine Rates Up 03:49Download AudioResumeFebruary 20, 2019Alex OlginfacebookEmailThirty-three-year-old mother Kim Nelson started a vaccine advocacy group in Greenville, S.C., to help reach vaccine-hesitant families. Here, she prepares vaccine information flyers for public school students. (Alex Olgin/WFAE)