'SimBIID_runs' object with n = 1 replicates.

Output at final time point:
# A tibble: 1 x 5
  completed     t     S     I     R
      <dbl> <dbl> <dbl> <dbl> <dbl>
1         0    20   117     1     2

Time-series counts:
# A tibble: 20 x 4
       t     S     I     R
   <dbl> <dbl> <dbl> <dbl>
 1     1   119     1     0
 2     2   118     2     0
 3     3   118     2     0
 4     4   118     2     0
 5     5   118     2     0
 6     6   118     2     0
 7     7   117     2     1
 8     8   117     1     2
 9     9   117     1     2
10    10   117     1     2
11    11   117     1     2
12    12   117     1     2
13    13   117     1     2
14    14   117     1     2
15    15   117     1     2
16    16   117     1     2
17    17   117     1     2
18    18   117     1     2
19    19   117     1     2
20    20   117     1     2
