Obi-Ezeani, C. N., O. U. Ilechukwu, I. J. Onuora, G. N. Umeaba, A. L. Onuike, O. A. Onyegbule, N. M. Muoneke, I. J. Nwagbara, O. E. Nnoruka, and M. O. Odo. “Knowledge, Perception and Willingness to Receive the Current COVID-19 Vaccine Among Residents of Awka Metropolis, Anambra State, Nigeria”. International Journal of Research in Medical Sciences, vol. 9, no. 11, Oct. 2021, pp. 3243-50, doi:10.18203/2320-6012.ijrms20214405.