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Zambia: Cholera Outbreak - Oct 2017

On 6 October 2017, the Minister of Health declared an outbreak of cholera in the Zambian capital, Lusaka. From 28 September through 7 December 2017, 547 cases including 15 deaths (case fatality rate = 1.8%), have been reported since the beginning of the outbreak. The initial outbreak period was from 28 September through 20 October. From 21 October through 4 November 2017 there were less than five cases reported each week. However, from 5 November 2017 an increase in the number of cases was observed with a total of 136 cases reported in the week beginning 26 November...The cholera outbreak initially started in the Chipata sub-district and spread to Kanyama sub-district around 9 October 2017. The outbreak has spread from the peri-urban townships on the Western side of Lusaka City to the Eastern Side with a new case reported in Chelstone sub-district. As of 7 December, the affected sub-districts include Chipata, Kanyama, Chawama, Matero, Chilenje and Chelston. Sixty-two cases are currently receiving treatment in Cholera Treatment Centres in Chipata, Kanyama, Matero and Bauleni. One third of the cases are children under five years old and two thirds are persons five years and older. ([WHO, 11 Dec 2017](https://reliefweb.int/node/2369964))

The cholera outbreak in Zambia continues to evolve, especially in Lusaka District where there is high transmission intensity. Since our last report on 8 December 2017 (Weekly Bulletin 49), a total of 162 new suspected cases, with five deaths (case fatality rate 3.1%), have been reported. On 12 December 2017, 38 new suspected cases were registered and there were 48 patients undergoing treatment at different cholera treatment centres (CTCs). As 12 December 2017, a cumulative total of 709 suspected cholera cases, including 21 deaths (case fatality rate 3%), were reported in the country, since the onset of the outbreak on 4 October 2017. Most, 99%, of the cases originate from 21 townships of Lusaka District. The cumulative number of cases and deaths from Lusaka District is 699 and 20, respectively (case fatality rate 2.9%), with an attack rate of 29/100 000 populations. By 11 December 2017, a total of 362 biological samples and 420 environmental samples were received at the University Teaching Hospital (UTH) bacteriology laboratory and the Food and Drug Laboratory, respectively. Of the specimens tested at UTH, 84 were positive for Vibrio cholerae, four for Salmonella spp and five for Shigella spp. Of the samples tested at the Food and Drug Lab, 206 were positive for faecal coliforms and 42 were positive for V. cholerae.([WHO, 15 Dec 2017](https://reliefweb.int/node/2381344))

###Useful Links
- [Zambia Ministry of Health](http://www.moh.gov.zm/)

Webspace(s): 
GLIDE Number: 
EP-2017-000178-ZMB
GLIDE Type: 
Epidemic
Status: 
Ongoing