Epidemiology and control profile of malaria in

Senegal

i

Acknowledgements

We acknowledge all those who have generously provided unpublished data, helped locate

information or the geo-coordinates of data necessary to complete the analyses of malaria risk

across Senegal, especially: Mady Ba, Christian Boudin, Badara Cisse, Feu Kaba Sylla, Mame

Birame Diouf, Bakary Sambou, Ibrahim Soc Fall, Florie Fillol, Florence Migot-Nabias, Julie

Thwing, Moussa Diagne, Malick Ndao Faye, Oumar Gaye, Ousmane Faye, Jean-Louis Ndiaye,

Babacar Faye, Sylvia Males, Libasse Gadiaga, Alioune Gueye, Amadou Niang, Mamadou Demba

Sy, , Rick Paul, Moussa Thior, Jean Francois Trape and Siaka Coulibaly.

In addition, we acknowledge the support of the following institutions: Abt AIRS, Abt Associates,

ADEMAS, Center of Ecological Surveillance (CSE), Child Fund, Institute of Research for

Development (IRD), IntraHealth, Islamic Development Bank, Ministry of Finance, Ministry of

Health and Social Welfare, National Agency of Statistics and Demography (ANSD), Pasteur

Institute of Dakar (IPD), PATH MACEPA, PGIRE/WB, PMI/USAID/CDC, Speak Up Africa, UCAD,

UNICEF, WHO, RBM/WARN and GFATM.

The report was prepared by the LINK Programme Team at the London School of Hygiene and

Tropical Medicine (David Schellenberg, Cesaire Ahanhanzo, Caroline Lynch, Sarah Saleheen,

Debora Miranda and Dalia Iskander), the Information for Malaria (INFORM) team at the KEMRI-

Wellcome Trust programme, Nairobi (Abdisalan Mohamed Noor, Robert Snow Lukio Olweny,

David Kyalo, Peter Macharia, Paul Ouma, Ezekiel Gogo, Joseph Maina, Stephen Oloo, Thomas

Gachie and Fridah Karimi) who assembled the data and performed the analyses and modeling and

the National Malaria Control Programme of Senegal (Moustapha Ciss, Lamine Diouf, Mdoune

Diop, Ibrahima Diallo, Racky Diagne).

The authors acknowledge the support and encouragement of Alastair Robb of the UK

government's Department for International Development (DFID).

This work was supported by funds provided by DFIDUK to the LINK programme and by grants

from The Wellcome Trust, UK to Professor Bob Snow (#079080) and Prof Abdisalan Mohamed

Noor (#095127).

Suggested citation: PNLP, INFORM and LSHTM (2015). Senegal: A Profile of Malaria Control and

Epidemiology.

Publication

Senegal: A Profile of Malaria Control and Epidemiology printed October 2015

Epidemiology and control profile of malaria in Senegal reprinted April 2017

Table of Contents Acknowledgements ........................................................................................................................................................... i

Abbreviations .................................................................................................................................................................... iii

1. Introduction ................................................................................................................................................................... 1

2. Country context ............................................................................................................................................................ 2

2.1 Geography and population ............................................................................................................................... 2

2.2 Administration and policies ............................................................................................................................. 4

2.3 The health system ................................................................................................................................................ 4

2.3.1 Health system structure ............................................................................................................................ 4

2.3.2 Health context and priorities .................................................................................................................. 6

2.3.3 Progress with malaria control in Senegal .......................................................................................... 6

3. Structure and function of the national malaria control programme (NMCP) .................................... 8

3.1 Financing malaria control ................................................................................................................................. 8

3.2 Supply chain overview .....................................................................................................................................10

3.3 Drug and insecticide safety and efficacy monitoring ..........................................................................11

3.4 Data relevant for malaria control ................................................................................................................11

3.4.1 Routine health information system ....................................................................................................12

3.5 Local operational and implementation research ..................................................................................15

4. Mapping malaria risk ...............................................................................................................................................18

5. Malaria control in Senegal - Milestones ............................................................................................................22

6 Overview of technical methods .............................................................................................................................32

6.1 Mapping administrative divisions ...............................................................................................................32

6.2 Database of geolocated health facilities ....................................................................................................34

6.3 Mapping the population of Senegal ............................................................................................................36

6.3.1 Space-time geostatistical modelling ..................................................................................................37

6.3.2 Malaria prevalence survey data in Senegal .....................................................................................39

6.3.3 Malaria vector data in Senegal .............................................................................................................40

6.4.4 ITN/LLIN coverage mapping ................................................................................................................40

7. Mapping malaria risk ...............................................................................................................................................41

7.1 Malaria case and case incidence mapping ...............................................................................................44

8. Entomological profile ...............................................................................................................................................48

9. Intervention coverage ..............................................................................................................................................51

9.1 Insecticide treated mosquito nets (ITN) and long lasting ITN (LLIN) ...........................................51

9.2 Indoor residual spraying .................................................................................................................................55

10. Special considerations ..........................................................................................................................................56

iii

Abbreviations

ACT Artemisinin Combination Therapy ADB African Development Bank

AJOL African Journals Online

AL Artemether-Lumefantrine

AQ Amodiaquine

AS-AQ Artesunate-Amodiaquine

BIC Bayesian Inference Criteria

CAP Center of Poison Control (Centre Anti-poison)

CCPLP Consultation Framework of Partners against Malaria (Cadre de Concertation des

Partenaires de la Lutte contre le Paludisme)

CDC Centers for Disease Control and Prevention

CDMO Chief District Medical Officer (Mdecin Chef de District, MCD)

CHW Community Health Worker (Agent de Sant Communautaire, ASC)

CME Medical Commission of the Health facility (Commission Mdicale de

lEtablissement)

CQ Chloroquine CRDT Constrained Refined Delaunay Triangulation

CRMO Chief Regional Medical Officer (Mdecin Chef de Rgion, MCR)

CS Health Centre (Centre de Sant)

CSR Referral Health Centre (Centre de Sant de Rfrence)

CTE Technical Committee of the Facility (Comit Technique de lEtablissement)

DCW Digital Chart of the Worlds Populated Places

DDT Dichloro Diphenyltrichloroethane

DFID Department for International Development (UK)

DHA-PQ Dihydroartemisinine- Piperaquine

DHS Demographic and Health Surveys

DPM Directorate of Pharmacy and Drugs (Direction de la Pharmacie et des

Mdicamens) DRC Democratic Republic of Congo

DSISS Division of Social and Health Information System (Division Systme d'Informations

Sanitaires et Sociales)

DSDOM In-house malaria treatment provider (Dispensateur de Soins Domicile) DVS Dominant Vector Species

ESIA Environmental and Social Impact Assessment