Drupal-Bibcite0<style face="normal" font="default" size="100%">Leprosy in Malawi. 2. Background, design and prospects of the Karonga Prevention Trial, a leprosy vaccine trial in northern Malawi.</style><style face="normal" font="default" size="100%">Leprosy in Malawi. 2. Background, design and prospects of the Karonga Prevention Trial, a leprosy vaccine trial in northern Malawi.</style>