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© Research
Event

“The impact of hotspot targeted interventions on malaria transmission: an example of different scientific disciplines investigating public health solutions”

Scientific Fields
Diseases
Organisms
Applications
Technique
Date
18
Feb 2016
Time
12:00:00
Institut Pasteur, Rue du Docteur Roux, Paris, France
Address
Building: Lwoff Room: Retrovirus
Location
2016-02-18 12:00:00 2016-02-18 13:00:00 Europe/Paris “The impact of hotspot targeted interventions on malaria transmission: an example of different scientific disciplines investigating public health solutions” Amrish BAIDJOE – Institut Pasteur, Département de Virologie (Paris – France) Although malaria is a disease that till date still causes significant mortality and morbidity mostly among children, impressive reductions in prevalence have been […] Institut Pasteur, Rue du Docteur Roux, Paris, France Luisa Nardini luisa.nardini@pasteur.fr

About

AmrishBISAmrish BAIDJOEInstitut Pasteur, Département de Virologie (Paris – France)

Although malaria is a disease that till date still causes significant mortality and morbidity mostly among children, impressive reductions in prevalence have been observed in the last 15 years. These reductions are largely attributable to the distribution of long lasting insecticide treated bed nets (LLIN), treatment of households with insecticides (IRS) and the more widely available treatment. With declining levels of overall prevalence, it has become evident that malaria transmission is highly heterogeneous and hotspots of more intense transmission appear in larger foci. This poses a challenge for current intervention programmes but offers opportunity for more targeted interventions as well.

Within an interdisciplinary team and in close collaboration with local communities we explored the potential of hotspot targeted interventions within the frame of a large study covering a population of more than 17.500 people in an area of 100km2. The study was conducted in the Rachuonyo South district, in the Western-Kenyan highlands. The assessment detection of hotspots, at the time still a theorized phenomenon, was done within 4.5 weeks.

Subsequently in the next year a hotspot-targeted intervention approach was deployed and evaluated. The impact was determined based on PCR determined parasite prevalence and MSP-2 based clonal diversity. Evaluation took place at baseline, 8 and 16 weeks post intervention within the hotspot and directly surrounding the hotspot. Intervention coverage exceeded 87% for all interventions. Hotspot-targeted interventions resulted in an average reduction in parasite prevalence of 10.2% which was unfortunately not long lasting.

Except for the relevant scientific outcomes this study emphasized other important factors, the relevancy to work interdisciplinary in public health settings; connecting the islands of entomologists, molecular biologist, immunologists, epidemiologists and the local community.

Contact : Luisa NARDINI (luisa.nardini@pasteur.fr – Poste 81.56)

Location

Building: Lwoff
Room: Retrovirus
Address: Institut Pasteur, Rue du Docteur Roux, Paris, France