Zhang, L., Zhang, M., Liu, M., Ai, J., Tian, J., Ge, H., Wang, R., Xie, Z. Detection of Polyfunctional T Cells in Children Vaccinated with Japanese Encephalitis Vaccine via the Flow Cytometry Technique. J. Vis. Exp. (187), e64671, doi:10.3791/64671 (2022).