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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Conner, Ruben O. Dieye, Yakou Hainsworth, Michael Tall, Adama Cissé, Badara Faye, Farba Sy, Mame Demba Ba, Amadou Sene, Doudou Ba, Souleymane Doucouré, Elhadji Thiam, Tidiane Diop, Moussa Schneider, Kammerle Cissé, Moustapha Ba, Mady Earle, Duncan Guinot, Philippe Steketee, Richard W. Guinovart, Caterina |
| Abstract | Background Population-wide interventions using malaria testing and treatment might decrease the reservoir of Plasmodium falciparum infection and accelerate towards elimination. Questions remain about their effectiveness and evidence from different transmission settings is needed. Methods A pilot quasi-experimental study to evaluate a package of population-wide test and treat interventions was conducted in six health facility catchment areas (HFCA) in the districts of Kanel, Linguère, and Ranérou (Senegal). Seven adjacent HFCAs were selected as comparison. Villages within the intervention HFCAs were stratified according to the 2013 incidences of passively detected malaria cases, and those with an incidence ≥ 15 cases/1000/year were targeted for a mass test and treat (MTAT) in September 2014. All households were visited, all consenting individuals were tested with a rapid diagnostic test (RDT), and, if positive, treated with dihydroartemisinin-piperaquine. This was followed by weekly screening, testing and treatment of fever cases (PECADOM++) until the end of the transmission season in January 2015. Villages with lower incidence received only PECADOM++ or case investigation. To evaluate the impact of the interventions over that transmission season, the incidence of passively detected, RDT-confirmed malaria cases was compared between the intervention and comparison groups with a difference-in-difference analysis using negative binomial regression with random effects on HFCA. Results During MTAT, 89% (2225/2503) of households were visited and 86% (18,992/22,170) of individuals were tested, for a combined 77% effective coverage. Among those tested, 291 (1.5%) were RDT positive (range 0–10.8 by village), of whom 82% were < 20 years old and 70% were afebrile. During the PECADOM++ 40,002 visits were conducted to find 2784 individuals reporting fever, with an RDT positivity of 6.5% (170/2612). The combination of interventions resulted in an estimated 38% larger decrease in malaria case incidence in the intervention compared to the comparison group (adjusted incidence risk ratio = 0.62, 95% CI 0.45–0.84, p = 0.002). The cost of the MTAT was $14.3 per person. Conclusions It was operationally feasible to conduct MTAT and PECADOM++ with high coverage, although PECADOM++ was not an efficient strategy to complement MTAT. The modest impact of the intervention package suggests a need for alternative or complementary strategies. |
| Related Links | https://malariajournal.biomedcentral.com/counter/pdf/10.1186/s12936-020-03313-6.pdf |
| Ending Page | 15 |
| Page Count | 15 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14752875 |
| DOI | 10.1186/s12936-020-03313-6 |
| Journal | Malaria Journal |
| Issue Number | 1 |
| Volume Number | 19 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2020-07-14 |
| Access Restriction | Open |
| Subject Keyword | Parasitology Tropical Medicine Infectious Diseases Entomology Microbiology Public Health Plasmodium falciparum Population-wide interventions Testing and treatment Malaria elimination |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Parasitology |
| Journal Impact Factor | 2.4/2023 |
| 5-Year Journal Impact Factor | 2.6/2023 |
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