State

Parameter

Evolutionary stability strategy

Trajectory area

Intervention method

I

$R_0-R_1\le 0$

E(0, 0)

④

/

II

$0<R_0-R_1$ , $F<C$

E(1, 0)

⑤ , ⑥

F­ C¯

III

$R_0-R_1>B+F$ , $F\ge C$

E(1, 1)

③

B­ F­

IV

$0<R_0-R_1\le B+F$ , $F\ge C$

/

②

B­ F¯

V

$R_0-R_1\le 0$ , $F\ge C$

E(0, 0)

①

/