Somalia

Somalia: Acute Watery Diarrhoea Update 15 Apr 2007

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This update describes the development, status, and response activities implemented by the humanitarian community of the Acute Watery Diarrhoea outbreak in Somalia. The update follows the structure as proposed in the WHO guidelines for cholera outbreak response.

1. Epidemiological week No 14 overall results and outcome

Between 1 January and 7 April 2007, a total of 16 579 cases of clinically diagnosed AWD including 593 related deaths (CFR 3.58) were reported from Central and South Somalia. Cases were reported from 10 regions (Hiiraan, Banadir, Lower and Middle Shabelle, Bay, Gedo, Bakool, Galgudud and Lower Juba and Middle Juba) with an estimated population of 4,038,513; the overall attack rate (AR) is 0.41%.

The trend shows an increase in the number of reported cases compared with the previous epidemiological weeks. In the current week (epidemiological week 14) cases increased by 11%, in comparison with the previous week (3223 and 2766 respectively). The distribution of AWD cases is shown in figure 1.



Figure 1: Distribution of AWD cases, Central and South Somalia, 01 January -7 April 2007

The first report of an increase in AWD cases was received form Hiiraan region (Not included in the graph) in the first epidemiological week of 2007. After reaching the peak in week 7, cases started to decrease to date.

In the epidemiological week 5, Middle Shabelle region (Not included in the graph) reported a similar increase in AWD cases. The number AWD cases reached the peak in epidemiological weeks 6 and 7 and decreased the last few weeks.

In the beginning of epidemiological week 6, an increase of AWD cases were reported from Lower Shabelle region. The peak was reached in the epidemiological week 10, but a slight decrease was observed in the epidemiologic weeks 11 and 12 with another increase in the epidemiological week 13, then the cases showed a slight decrease in the current week (epidemiological week 14) compared with the previous week (750 and 636 respectively).

Banadir region started reporting cases from week 8. The trend is showing a continuous increase up to week 13. A slight decline was observed compared to the previous week (1036 and 1244 respectively) mainly due to the decreased number of the reporting health facilities.

Bay region started to report cases in epidemiological week 9, and are showing a marked increase in the trend (5 cases were reported in week 9 compared to 495 cases in the current week.

Bay region started to report cases in epidemiological week 9, and are showing a marked increase in the trend (5 cases were reported in week 9 compared to 495 cases in the current week.

Bakool region (not included in the graph) started to report cases in epidemiological week 12 with increase number of reported cases up to the current week.

In the current week, Middle Juba region reported 927 cases including 59 related deaths (CFR 6.36%).