Matapo, Belem Effectiveness of single-dose measles vaccine amongst 12-23 months old children in selected districts in Zambia / Belem Matapo - Lusaka : University of Zambia, 2019. - xiii, 58 pages : illustrations. Includes bibliographical references. Subjects--Topical Terms: Vaccination--measles--Prevention & control.--Zambia.--Virus Diseases--Infants