parameters

name

value

name

value

b 1

200

b 2

120

σ 1

0.6

d 2

0.3

β 1

3 × 10 4

β 2

vary

d 1

0.06

α 2

vary

α 1

0.2

initial values

name

value

name

value

S 1 ( 0 )

2000

S 2 ( 0 )

500

I 1 ( 0 )

200

I 2 ( 0 )

80