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Table 3 The number of rounds of annual treatment (hence years) in Pre-SAC and SAC required to eliminate transmission for Ascaris as a function of coverage in Pre-SAC and SAC (parameter values as defined in Table 1)

From: What impact will the achievement of the current World Health Organisation targets for anthelmintic treatment coverage in children have on the intensity of soil transmitted helminth infections?

  Coverage of SAC
   0 10 % 20 % 30 % 40 % 50 % 60 % 70 % 80 % 90 % 100 %
Coverage of Pre-SAC 0 NA NA NA NA NA NA NA NA NA NA NA
10 % NA NA NA NA NA NA NA NA NA NA 23
20 % NA NA NA NA NA NA NA NA NA 21 16
30 % NA NA NA NA NA NA NA NA 20 15 12
40 % NA NA NA NA NA NA NA 20 15 12 10
50 % NA NA NA NA NA NA 21 15 12 10 8
60 % NA NA NA NA NA 22 15 12 10 8 7
70 % NA NA NA NA 24 16 12 10 8 7 6
80 % NA NA NA NA 17 12 10 8 7 6 6
90 % NA NA NA 18 13 10 8 7 6 6 5
100 % NA NA 21 14 11 9 7 6 6 5 5
  1. NA denotes that it is not possible to achieve elimination within 25 years with the defined level of coverage in Pre-SAC and SAC