Observational study on the characteristics of COVID-19 transmission dynamics during the first wave of the epidemic in Lusaka, Zambia. - Phiri M; Imamura T; Sakubita P; Langa N; Mulenga M; Mulenga MM; Kapapi G; Mwamba M; Nalwimba J; Tembo D; Keembe K; Moompizho K; et al. (The Pan African medical journal, 2024)