Table 3 Pooling strategy maintaining ultimate (UCAA2000) sensitivity

Number of pools

Individuals

pool size = 35

Prevalence 5%

Prevalence 1%

Prevalence 0.2%

35

1

2

1

1

70

2

4

1

1

140

4

7

2

1

280

8

14

3

1

560

16

28

6

2

1 120

32

56

12

3

Number of pools

Individuals

pool size = 35

Prevalence 5%

Prevalence 1%

Prevalence 0.2%

35

1

1 (100%)

1 (100%)

1 (100%)

70

2

2 (100%)

1 (50%)

1 (50%)

140

4

4 (100%)

2 (50%)

1 (25%)

280

8

8 (100%)

3 (37.5%)

1 (12.5%)

560

16

16 (100%)

6 (37.5%)

2 (12.5%)

1 120

32

32 (100%)

12 (37.5%)

3 (9.4%)

Number of pools

Individuals

pool size = 35

Prevalence 5%

Prevalence 1%

Prevalence 0.2%

35

1

0

0

0

70

2

0

35

35

140

4

0

70

105

280

8

0

175

245

560

16

0

350

490

1 120

32

0

700

1 015