Table 2.

Model parameters

Symbol	Description (units)	Value	References
${\beta }_{\mathrm{hd}}$	Mosquito-to-human dengue infection rate (humans/(mosquito*day))	0.25	Braselton and Bakach (2015)
${\beta }_{\mathrm{hz}}$	Mosquito-to-human Zika infection rate (humans/(mosquito*day))	0.15	Manore et al. (2014)
${\beta }_{\mathrm{vd}}$	Human-to-mosquito dengue infection rate (${\text{days}}^{-1}$)	0.25	Braselton and Bakach (2015)
${\beta }_{\mathrm{vz}}$	Human-to-mosquito Zika infection rate (${\text{days}}^{-1}$)	0.15	Manore et al. (2014)
${\beta }_{\mathrm{s}}$	Zika human sexual transmission rate (${\text{days}}^{-1}$)	0.05	Olawoyin and Kribs (2018)
${\gamma }_{\mathrm{d}}$	Dengue recovery rate (${\text{days}}^{-1}$)	0.14	Braselton and Bakach (2015)
${\gamma }_{\mathrm{z}}$	Zika recovery rate (${\text{days}}^{-1}$)	0.14	Shutt et al. (2017)
$\mu$	Human birth/death rate (${\text{days}}^{-1}$)	$4.47\times {10}^{-5}$	Braselton and Bakach (2015)
${\mu }_{\mathrm{v}}$	Mosquito birth/death rate (${\text{days}}^{-1}$)	0.07	Yang et al. (2009)
${\nu }_{\mathrm{d}}$	Modification factor for dengue transmission by coinfected mosquitoes	12	Chaves et al. (2018)
$k_{\mathrm{d}}$	Relative likelihood of dengue transmission given prior Zika infection	$>1$	Inferred from Kawiecki and Christofferson (2016) and Stettler et al. (2016)
$k_{\mathrm{z}}$	Relative likelihood of Zika transmission given prior dengue infection	$>1$	Inferred from Charles and Christofferson (2016), Dejnirattisai et al. (2016), Durbin (2016) and Paul et al. (2016)
${\nu }_{\mathrm{z}}$	Modification factor for Zika transmission by coinfected mosquitoes	0.11	Chaves et al. (2018)
$N_{\mathrm{v}}$	Total number of female mosquitoes	457, 092	Olawoyin and Kribs (2018)
$N_{\mathrm{h}}$	Total number of humans	76, 182	Olawoyin and Kribs (2018)