Read the right most boxes in Figure 1 from top to bottom
1
C E + P S [ B ( t r e a t m e n t ) ]
2
C E + ( 1 − P S ) P S C C
3
C E + ( 1 − P S ) P S [ B ( n o i n f e c t i o n ) ]
4
C E + [ ( 1 − P S ) 2 ( C A ) ] [ ( P A R ) ( C A R ) ]
5
C E + [ ( 1 − P S ) 2 ( C A ) ] [ ( 1 − P A R ) B ( t r e a t m e n t ) ]