Table 2 Model parameter values and distributions

Probability of infection being symptomatic

   Male

β (0.9, 0.05)

[12–15]

β (0.30, 0.15)

[12, 13]

   Female

β (0.4, 0.15)

[12–15]

β (0.15, 0.08)

[12, 13]

Duration of latent period (days)

U (3, 5)

[13, 16–18]

U (12, 28)

[13, 17, 19]

Duration of asymptomatic infection in the absence of treatment (days)

Γ (105, 35)

[12, 13, 20]

Γ (220, 188)

[12, 19, 21–24]*

Duration of symptomatic infection in the absence of treatment (days)

Γ (105, 35)

[12, 13, 20]

Γ (112, 35)

[12, 25]

Duration of immunity following recovery (days)

Γ (7, 3.5)

-

Γ (45, 15)

-

Transmission probability per sex act

   Male to Female

β (0.2, 0.05)

[12, 21, 26, 27]

β (0.16, 0.10)

[12, 19, 28, 29]

   Female to Male

β (0.4, 0.10)

[12, 21, 26, 30, 31]

β (0.12, 0.06)

[12, 19, 28, 29]