Durability of Vaccine Efficacy R package DOVE version 1.11 Implements maximum likelihood methods for evaluating the durability of vaccine efficacy in a randomized, placebo-controlled clinical trial with staggered enrollment of participants and potential crossover of placebo recipients before the end of the trial. Lin, D. Y., Zeng, D., and Gilbert, P. B. (2021) <doi:10.1093/cid/ciab226> and Lin, D. Y., Gu, Y., Zeng, D., Janes, H. E., and Gilbert, P. B. (2021) <doi:10.1093/cid/ciab630>. Software Depends: R (>= 3.5.0), methods, survival Imports: Rcpp (>= 1.0.4.6), stats, graphics, RcppArmadillo LinkingTo: Rcpp, RcppArmadillo Suggests: rmarkdown, knitr Shannon T. Holloway <shannon.t.holloway@gmail.com> Comprehensive R Archive Network (CRAN) Danyu Lin [aut], Yu Gu [aut], Donglin Zeng [aut], Shannon T. Holloway [aut, cre] GPL-2 2025-12-20 application/tgz https://CRAN.R-project.org/package=DOVE doi:10.32614/CRAN.package.DOVE