Knowledge, risk perception and uptake of COVID-19 vaccination among internally displaced persons in complex humanitarian emergency setting, Northeast Nigeria. - Gidado, Saheed; Musa, Melton; Ba'aba, Ahmed Ibrahim; Francis, Mark Rohit; Okeke, Lilian Akudo; Bukar, Fatima Lawan; Nguku, Patrick M.; Hadejia, Idris Suleman; Hassan, Isa Ali; Bande, Ibrahim Muhammad; Onuoha, Martins; Usman, Rabi; et al. (BMC Public Health, 2024)