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Table 1 Characteristics of transmission periods and hotspots

From: Spatio-temporal variation of malaria hotspots in Central Senegal, 2008–2012

Period: (cumulative inca), dates, durationHotspot statusNumber of villagesCumulative incidence rate aSMCb
(%)
Weekly average rainfall
(mm/week)
(SDc)
Dominant vegetation typed
(% village)
2008 LTP (0.93)
01/01/2008 -
30/06/2008 -
26 weeks
Hotspot199.820 (0.00%)1.9 (0.99)Mixed (63.16)
Non-Hotspot5560.440 (0.00%)1.6 (0.77)Mixed (59.35)
2008–2009 HTP (14.88)
01/07/2008 –
12/01/2009 –
28 weeks
Hotspot12833.5328 (21.87%)26.41 (1.78)Mixed (88.28)
Non-Hotspot4475.4647 (10.51%)22.59 (2.46)Mixed (51.23)
2009 LTP (0.88)
13/01/2009 –
03/08/2009 –
29 weeks
Hotspot2710.660 (0.00%)10.54 (2.02)Mixed (96.3)
Non-Hotspot5480.50 (0.00%)8.26 (1.57)Mixed (83.58)
2009–2010 HTP (7.53)
04/08/2009 –
15/02/2010 –
28 weeks
Hotspot6227.0423 (37.1%)20.61 (1.79)Mixed (93.55)
Non-Hotspot5135.17201 (39.18%)18.21 (2.24)Mixed (83.04)
2010 LTP (0.83)
16/02/2010 –
12/07/2010 –
21 weeks
Hotspot2212.610 (0.00%)2.43 (1.46)Mixed (68.18)
Non-Hotspot5530.410 (0.00%)3.39 (1.58)Mixed (62.03)
2010–2011 HTP (29.9)
13/07/2010 –
24/01/2011 –
28 weeks
Hotspot14280.2677 (54.22%)23.4 (1.49)Mixed (57.04)
Non-Hotspot43319.61294 (67.9%)22.95 (2.98)Mixed (63.97)
2011 LTP (2.73)
25/01/2011 –
22/08/2011 –
30 weeks
Hotspot4312.690 (0.00%)8.39 (1.25)Mixed (72.09)
Non-Hotspot5321.570 (0.00%)9.52 (0.83)Grasslands (40.79)
2011–2012 HTP (14.62)
23/08/2011 –
09/01/2012 –
20 weeks
Hotspot10534.350 (0.00%)18.52 (0.51)Grasslands (35.24)
Non-Hotspot4709.590 (0.00%)18.93 (1.53)Mixed (41.70)
2012 LTP (1.66)
10/01/2012 –
09/07/2012 –
26 weeks
Hotspot1019.160 (0.00%)4.93 (0.69)Mixed (60)
Non-Hotspot5651.240 (0.00%)3.61 (0.8)Mixed (42.83)
2012 HTP (38.1)
10/07/2012 –
31/12/2012 –
24 weeks
Hotspot147119.240 (0.00%)31.71 (2.36)Grasslands (59.86)
Non-Hotspot42825.740 (0.00%)30.49 (1.93)Mixed (51.17)
  1. High Transmission Periods (HTP) and Low Transmission Periods (LTP) with cumulative incidence rate, start and end dates, and duration (in weeks); hotspot status of villages (hotspot or non-hotspot); number of hotspot and non-hotspot villages; cumulative incidence rate in hotspot and non-hotspot villages; number and percentage of hotspot and non-hotspot villages that received seasonal malaria chemoprevention (SMC); weekly average rainfall and standard deviation in hotspot and non-hotspot villages; dominant vegetation type (open shrublands, grasslands, croplands, mixed vegetation) in hotspot and non-hotspot villages for each period
  2. a Cumulative incidence rate (cases/100,000 person-weeks)
  3. b Number and percentage of villages that received SMC (seasonal malaria chemoprevention)
  4. c Standard deviation
  5. d Dominant vegetation type for each period