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Table 2 Number of positive cases of W. bancrofti antigenemia in the six evaluation units

From: Assessment of treatment impact on lymphatic filariasis in 13 districts of Benin: progress toward elimination in nine districts despite persistence of transmission in some areas

Evaluation unit

Adja-Ouèrè

Agbangnizoun

Allada

Bonou

Ouinhi

Parakou

Sample size

1571

1578

1710

1381

1572

1569

Critical cut-off

18

20

20

18

20

20

No. of positive samples on repeat test

0

0

0

0

47

0

No. of negative samples

1571

1578

1709a

1380b

1525

1569

  1. aOne sample was invalidated following the standard operating procedure recommended by the FTS fabricant (the sample first tested positive but negative after it was repeated)
  2. bA child refused to provide a blood sample after he had been registered