Parameter	Definition	Default value
$N$	Population size	108
$R_0$	Reproduction number (WT)	2.5
$\gamma$	Recovery rate	1/14 days-1
$\beta$	Transmission rate	$\frac{R_0\gamma }{N}$
$\phi$	Cross-reactivity between WT and variant	1 or 0.6
$\omega$	Maximum vaccine efficacy	0.95
${\alpha }_1$	Antigenic mismatch between vaccine and WT	0
${\alpha }_2$	Antigenic mismatch between vaccine and variant	$1-\phi$
${\kappa }_I$	Eligibility of infected individuals for vaccination; 1 = eligible, 0 = ineligible	1
${\kappa }_R$	Eligibility of recovered individuals for vaccination; 1 = eligible, 0 = ineligible	1
$\lambda$	Increase in transmissibility of variant relative to WT	0 or 0.6
${\tau }_2$	Time of variant introduction	9 months
${\tau }_{vax}$	Start of vaccine rollout	Varies
$v$	Daily per-capita vaccination rate	Varies
$c$	Final vaccination coverage	100%
$r$	Reduction in transmission due to nonpharmaceutical interventions	0.4