Reid MC, Peebles K, Stansfield SE, Goodreau SM, Abernethy N, Gottlieb GS, Mittler JE, Herbeck JT. Models to predict the public health impact of vaccine resistance: A systematic review. Vaccine. 2019 Aug 14;37(35):4886-4895. doi: 10.1016/j.vaccine.2019.07.