Table 2.

List of the model variables.

Variables	Italy	Germany	Sweden	Brazil
Total population (units)	1000	1000	1000	1000
Older than 65 years (units)	230	210	200	90
Initial infectious people (units)	6	6	6	6
Transmissibility rate (%)	0.30	0.30	0.30	0.30
Immunity duration: mild cases (days)	100	100	100	100
Immunity duration: severe cases	Lifetime	Lifetime	Lifetime	Lifetime
Initial productivity index	2.0	2.0	2.0	2.0
Noncontagion index	0.01	0.01	0.01	0.01
Virus recognition	After 100 cases	After 60 cases	After 100 cases	After 100 cases
Beds for seriously ill patients (units)	13	30	20	9
Recovery index	5.0	6.0	1.5	2.5
Case-fatality index	0.8	0.3	0.4	0.3
Seriously ill index	1.5	1.0	1.5	1.3
Not seriously ill index	5.0	5.0	4.7	6.0
Mask use (decrease in transmissibility; %)	14.3	14.3	0	7.15
Physical distancing (decrease in transmissibility; %)	10.2	10.2	10.2	5.1
Infected tourists (max number; units)	2	2	1	1