Journal of Mosquito Research, 2026, Vol.16, No.1, 1-20 http://emtoscipublisher.com/index.php/jmr 7 Graph 2b Evolution of the weekly risks of receiving, in one month, an infective bite of the main vector of malaria in a house before, and after, installation of LLINs+ ZF. (D= number of days) Graph 2c Evolution of the monthly risks of receiving, in one year, an infective bite of the main vector of malaria in a house before, and after, installation of LLINs+ZF. (M= number of months) Table 2a Evolution of the weekly risks, in one month, of getting an infective bite before, and after, full coverage in LLINs+ ZF, with the difference of risks induced LLIN+ZF Before After Diff. D1 3.1 0.6 -80.6% D7 19.7 4.1 -79.0% D14 35.6 8.1 -77.2% D21 48.3 11.9 -75.4% D28 58.5 15.5 -73.4% 3.2.2 Evolution of the monthly risks in one year Before LLINs+ ZF installation the risk of being infected reached 61% in one month; 85% in two months; > 90% in three months and > 99% in six months; being #100% in one year. After LLINs + ZF installation these risks were respectively 16%; 30%; 55%, 66% and 89% (Table 2b) meaning a worthy reduction of risks. This reduction of risks: was higher with the combination LLIN+ZF than LLIN alone; decreased with time (Graph 2c); from 75% in one month to 11% in one year.
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