Wee, M.K., Cabantog, J., Magpayo, D.D. , Sabido, N.L. , Samson, E. and David, P. 2021. Factors causing vaccine hesitancy among parents in Bulacan. Studies in Medicine and Public Health. 1, 1 (Dec. 2021), 15–29. DOI:https://doi.org/10.35912/simph.v1i1.715.