Influence of Partial and Full Coverage on Long Lasting Deltamethrin Treated Nets (“δLLIN”) on Plasmodium falciparum Parasitaemia in 2 Villages around Balombo Town: OAJBS Publishers

Influence of Partial and Full Coverage on Long Lasting Deltamethrin Treated Nets (“δLLIN”) on Plasmodium falciparum Parasitaemia in 2 Villages around Balombo Town (Benguela Province, Angola) by P Carnevale* in Open Access Journal of Biomedical Science (OAJBS)

During two consecutive years 40 random cross sectional parasitological surveys were done in 4 villages around Balombo town (Benguela Province, Angola): 2 villages receiving classical Long lasting deltamethrin treated nets Perma©Net 2.0 and 2 villages remaining as control. The LLIN distribution were done in 2 steps: first year at least one net/house; second year one net/sleeping unit to get full coverage. The current analysis focus on Plasmodium falciparum infections (prevalence, parasitaemia) in children ≤5 years considered as “at risk group”. Plasmodial infections were observed in 1059 of the 2806 thick blood films made in the field (=37.7%) on symptomless patients then microscopically examined in the medical department of the Angolan Sonamet Company in the framework of its “Malaria Control Programme”. P. falciparum prevalence actually significantly decreased from year 1 (“partial coverage”) to year 2 (“full coverage”) in LLIN villages (from #41% to #34%) but a significant decrease was also noticed in control villages (from #42% to #24%) where the drop was higher than in LLIN villages.
https://biomedscis.com/fulltext/influence-of-partial-and-full-coverage-on-long-lasting-deltamethrin-treated-nets-ΔB4llin-on-plasmodium-falciparum-parasitaemia.ID.000340.php

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