Genital ulcer disease (GUD)

GUD is a simple SIS infection model used as a syndromic proxy for ulcerative STIs. It can serve as a standalone module or as a placeholder for use with connectors (e.g., to model the interaction between GUD and HIV transmission).

Class: sti.GUD | Alias: 'gud' | Base class: ss.Infection

States and transitions

     ┌─────────────┐           ┌─────────────┐
     │ Susceptible │──────────▶│  Infected   │
     │             │◀──────────│  (~3 mo)    │
     └─────────────┘ recovery  └─────────────┘

Parameters

Parameter	Default	Description
dur_inf	lognorm(3 mo, 1 mo)	Duration of infection
beta	1.0	Transmission probability (placeholder)
init_prev	0.0	Initial prevalence