Table 2.

Parameter definitions of model (6), together with the values and sources used to simulate the behavioural scenario in Figure 4

Quantity	Description	Value	Source
$\mu$	Recruitment and natural death rate	$3.9·{10}^{-5}{\text{d}}^{-1}$	(Fahlena et al. 2022)
${\widehat{a}}_i$	Baseline transmission rate of virus–i ($i=1,2$)	Varies	—
${\widehat{a}}_3$	Baseline transmission rate of co–infected individuals	Varies	—
${\widehat{a}}_4$	Baseline co–infection rate	$5{\text{d}}^{-1}$	(Fahlena et al. 2022)
$a_{i,0}$	Info-independent transmission rate of virus–i ($i=1,2$)	$0.2{\widehat{a}}_i$	Assumed
$a_{3,0}$	Info-independent transmission rate of co–infected individuals	$0.2{\widehat{a}}_3$	Assumed
$a_{4,0}$	Info-independent co–infection rate	$0.2{\widehat{a}}_4$	Assumed
p	Probability that a co–infected individual transmits virus–1 to a susceptible	0.20	Assumed
q	Probability that an individual in $I_1$ gets co–infected after a contact with $I_2$	0.20	Assumed
${\gamma }_i$	Recovery rate from virus–i	$0.14{\text{d}}^{-1}$	(Fahlena et al. 2022)
${\gamma }_3$	Recovery rate from co–infection	$0.14{\text{d}}^{-1}$	(Fahlena et al. 2022)
${\rho }_i$	Loss of immunity rate towards virus–i	$0.0027{\text{d}}^{-1}$	(Fahlena et al. 2022)
${\rho }_3$	Loss of immunity rate towards co–infection	$0.0027{\text{d}}^{-1}$	(Fahlena et al. 2022)
$k_i$	Information coverage about virus–i	0.80	(Buonomo and Della Marca 2020)
$k_3$	Information coverage about co–infection	0.2	Assumed
$\delta$	Population reactivity rate	1	Assumed
$T_a$	Average information delay	3 days	(Buonomo and Della Marca 2020)