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Cholera and AWD outbreak bulletin in Eastern and Southern Africa, as of 20 September 2017, 4 Issue

Regional Update - as at 20 September 2017



More than 102,010 cholera / AWD cases and 1548 deaths (Case Fatality Rate: 1.5%) have been reported in 11 of 21 countries of Eastern and Southern Africa Region (ESAR) since the beginning of 2017. These countries include; Angola, Burundi, Kenya, Malawi, Mozambique, Rwanda, Somalia, South Sudan, Tanzania, Zambia and Zimbabwe. Somalia accounts for 76.1% of the total cases reported in 2017, followed by South Sudan at 15.8%. In the past 4 weeks (Week 34-37), 6 out of the 21 countries in ESAR have reported active transmission of cholera / AWD (Burundi, Malawi, Somalia, South Sudan, Kenya and Tanzania), with Tanzania reporting the highest number of new cases (148) in week 36. Cumulatively, South Sudan has recorded the highest CFR (1.9%) followed by Kenya (1.8%) and Tanzania (1.7%) in 2017. CFR for Somalia was above 2% at the beginning of 2017 but has since dropped to 1.4%.

Somalia: There has been a decrease in the epidemic trend. During week 36 (week ending 10 September 2017), 22 new cases were reported in the country; compared to 137 cases including 2 deaths reported in week 35 (Week ending 3 September 2017). The 22 new cases reported in week 36 emerged from Somali land. Most affected regions areTogdheer and Sool.

Kenya: 5 out of the 47 Counties (Nairobi, Vihiga, Nakuru, Kajiado and Machakos) have an active cholera outbreak. During week 37 (Week ending 17 September 2017), 49 new cases including 1 deaths (CFR 2%) were reported compared to 46 cases in week 36.

South Sudan: A declining trend in cholera cases has been noted over the past 3 weeks. 5 Counties have active transmission (Juba, Budi, Kapoeta South, Kapoeta and Yirol East). During week 34 (Week ending 27 August 2017), 39 new cases were reported; compared to 73 cases including 1 death (CFR 1.4%) in week 33 (week ending 20 August 2017).

Tanzania: An increase in epidemic trend was noted in week 36, 148 cases including 1 death (CFR 0.7%) have been reported; compared to 116 cases including 3 deaths (CFR 2.6%) in week 35. Cases emerged from Kigoma, Tanga, Mbeya, Njombe and Katavi regions during the week under review.

Malawi: The current outbreak started within the catchment area of the Chikwawa Hospital. 4 new cases have been reported in the past 2 weeks (Week 35-36); compared to 11 cases in week 34.

Burundi: There has been a decrease in the epidemic trend. During week 36, 5 new cases were reported; compared to 24 cases in week 34. These cases emerged from the city center of Nyanza Lac (Makamba) and Bubanza province.