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Table 4 Recurrence of infection in highland and lowland hamlets after clearing existing infections with Lap-Dap

From: Variation of malaria transmission and morbidity with altitude in Tanzania and with introduction of alphacypermethrin treated nets

Hamlet Number of children becoming
positive for infection
Number of child
weeks at risk
Probability of becoming
positive per week
HIGHLAND
M7 24 144 0.167
M8 49 205 0.239
M9 51 325 0.157
M11 74 226 0.327
Highland totals 198 900 0.220
LOWLAND
Bl 61 138 0.442
B5 63 143 0.441
B7 37 88 0.420
B8 50 130 0.385
Lowland totals 211 143 0.423