Table 1 Model parameter values used in base case and sensitivity analyses

  Within-group mixing (’contact’)

χ

0.65–0.95

0.65–1.54

  Relative susceptibility of group L to group H (’susceptibility’)

η

0.65–0.95

0.65–1.54

 Quantity of out-group mixing relative to within-group mixing of group H (’integration’)

ξ

0.05–0.25

0.05–0.25

 Relative vaccine uptake in group H to group L

V_H/V_L

1.0

0.70–1.43

 Basic reproduction number [48, 49]

R ₀

  Influenza

1.8

1.5–4.0

  Rubella

6.5

5.0–8.0

 Pre-infectious period (days) [50]

σ

  Influenza

2.6

2.6

  Rubella

14.0

14.0

 Infectious period (days) [50]

γ

  Influenza

4.0

4.0

  Rubella

11.0

11.0