Table 1.

Parameter values. The table shows the value of each parameter of the model which was fixed to comply with empirical findings. The free (unknown) parameters found by the BO algorithm are $p_2=24.6\%$ and IFR$=1.4\%$ ($\zeta =2.8\%$ and $\gamma =1-\zeta$).

Croatian model parameters
Parameter	Value	Description	Source
$p_1$	Eqs. (2) and (4)	Probability of mobility	[46]
$k$	3	Cluster size	[47]
$\kappa$	2.5	Rate of intensity of contacts in the central unit	[40]
$r$	$10\%$	Probability of disease transmission	[35]
$\theta$	$50\%$	Mortality rate for ICU patients	[37]
$\eta$	$1-\theta$	Survival rate for ICU patients	[37]
$\delta$	$\approx 100\%$	Survival rate for mild cases	[36], [37]
${\tau }_1,{\tau }_3$	5 days	Time for onset of symptoms	[38]
${\tau }_4,{\tau }_5$	10 days	Time of stay in ICU	[38], [39]
${\tau }_2$	11 days	Time for recovery	[39]