Table 2.

Model parameters and the ranges explored, constraining endemic prevalence to be 0.45.

Parameter	Range explored
Acute transmission potential (X)	{0.1, 0.3, 0.5, 0.7}
Average duration of a stay in the   high-risk phase in months (durH)	{[2–10], [20–30], [30–40], [50–60], [80–90]} step-size: 2
High-to-low contact rate ratio (rCHL)	{1, 10, 20, 30}
Fraction of the population that is in the   high-risk phase at infection-free   equilibrium (FrH)	{0.1, 0.2, 0.3}
Fraction of high-risk contacts made at   the high-risk mixing site (FHatH)	{0.1, 0.5, 0.9}