First 100 Persons with COVID-19 - Zambia, March 18-April 28, 2020. - Chipimo PJ; Barradas DT; Kayeyi N; Zulu PM; Muzala K; Mazaba ML; Hamoonga R; Musonda K; Monze M; Kapata N; Sinyange N; Simwaba D; et al. (MMWR. Morbidity and mortality weekly report, 2020)