## [1] "date" "cvd" "cumcvd" "vac" "percvac" "cuminf"
## [7] "infdai" "sminfdai" "perinf" "perimm" "smperimm" "smimm"
## [13] "smimmdai" "excess" "cumexcess" "cuminfx" "infdaix" "sminfdaix"
## [19] "perinfx" "perimmx" "smperimmx" "smimmx" "smimmdaix" "hospdai"
## [25] "hosp" "hospdaix" "hospx" "S" "I" "R"
## [31] "r" "rlimit" "Sx" "Ix" "Rx" "rx"
## [37] "rlimitx"