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Yemen: Cholera Outbreak - Oct 2016

Disaster types

Health authorities in Yemen confirmed a cholera outbreak on 6 October 2016, posing an increased health risk to the population especially children. The Ministry of Public Health and Population (MoPHP) announced that a total of 11 out of 25 suspected diarrhea cases have been confirmed as Cholera cases in the capital, Sana’a. As per the Inter-Agency joint response plan, UNICEF additional fund requirements for the cholera outbreak response stands at US$3.2 million. (UNICEF, 11 Oct 2016)

On 27 October, [WHO] released approximately US$1 million from its internal emergency funds to support the ongoing response to the cholera outbreak in Yemen. (WHO, 27 Oct 2016)

As of 11 January [2017], 15,658 suspected cholera cases have been reported in 156 districts. A total of 180 out of 841 cases tested positive for Vibrio Cholera, serotype Ogawa. Overall, the epidemic curve shows a declining trend from week 51 onwards, while the attack rate remains high in some high-risk districts. Health response is underway through 26 Diarrhea Treatment Centres (DTC) in 24 districts, while WASH partners are undertaking response in 29 districts. An additional $3 million is being allocated through the 2017 HPF reserve allocation to address outstanding gaps. (OCHA, 15 Jan 2017)

The Yemen Pooled Fund has begun 2017 by launching a First Reserve Allocation for the Cholera response worth $2.7 million. (OCHA, 31 Jan 2017)

Since 27 April 2017, a second wave of [AWD]/ cholera outbreak began in several Yemeni governorates, which had seen a decrease...(WHO, 9 May 2017)

The number of [AWD]/ suspected cholera cases has increased dramatically and the outbreak expanded to 18 out of 22 governorates. Sana’a City is the most affected area, with more than 7 000 suspected cholera cases...Out of the total reported cases, as of 18 May, 131 deaths were confirmed and 36 resulted in death. (WHO, 18 May 2017)

As per the Integrated Response Plan released in June 2017, a total of $254 million is required to implement activities outlined for 6 months from May to December 2017...In the 286 high risk districts where suspected cholera cases were reported since the onset of the outbreak, an additional 280,358 cases are projected during the coming six months till end of 2017, out of an estimated 26 million at risk population (at actual attack rate + 110% increase in number of cases). A total of 280,358 cases are, therefore, projected from the risky areas in the coming six months, in addition to the cumulative 254,871 suspected cholera cases since the onset of the outbreak (WHO, 29 Jun 2017)

Over 120 humanitarian partners in Yemen are delivering coordinated assistance out of five hubs in Aden, Hudaydah, Ibb, Sa’ada, and Sana’a. From January to April this year, humanitarian partners reached 4.3 million people. However, at a time when the Yemen Humanitarian Response Plan is only 33 per cent funded ($688 million of $2.1 billion), humanitarians have had to use resources programmed for food security or malnutrition to combat the unprecedented cholera outbreak which has surged beyond initial estimates. (OCHA, 12 July 2017)

On 3 July 2017, the Humanitarian Country Team (HCT) determined that the outbreak has surpassed the capacity of WASH and Health partners and there is a need for a system wide response. Thus, the HCT has called on other clusters to mobilize partners from across all sectors for engagement in the response. (UNHCR, 31 July 2017)

An emergency US$200 million grant announced by the World Bank aims to expand the scope of the ongoing Emergency Health and Nutrition Project (EHNP) to reach a total of 13 million Yemenis with essential health and nutrition services and 4.5 million Yemenis with access to water and sanitation services. (World Bank, 25 Aug 2017)

978,129 suspected cholera cases and 2, 224 associated deaths have been reported across the country between 27 April and 6 December 2017. At this pace, the number of cholera cases will reach one million before the end of the year. With the rainy season coming up (March-June), there are fears that the cholera outbreak might again spiral out of control. (ECHO, 8 Dec 2017)

Since April 2017, more than 1.1 million suspected cholera cases and 2,310 associated deaths have been reported in Yemen. Twenty-one of the 22 governorates (305 out of 333 districts) have been affected. In the last three weeks, 209 districts have reported suspected cholera cases, including Shada District in Sa’ada Governorate which reported its first ever case. The outbreak is the most serious on record. (OCHA, 26 Aug 2018)

The cumulative total number of suspected cholera cases from 27 April 2017 to 23 September 2018 is 1207596 and 2510 associated deaths (CFR 0.21%)...Children under 5 years of age represent 30.5% of the total suspected cases. So far, the cholera outbreak has affected 22 out of 23 governorates and 306 out of 333 districts in Yemen....At the country level, there has been an upward trend for 15 consecutive weeks and from week 35 to week 37 the trend of suspected cases is increasing by 16%. Eight governorates are presenting an increase of suspected cases which include Aden (+65%), Amran (+45%), Al Hudaydah (+27%) and Taizz (+22%). (WHO, 11 Oct 2018.)

As of 7 October 2018, the cumulative total number of suspected cholera cases since 27 April 2017 is is 1, 236,028, with 2556 associated deaths (CFR 0.21%). During epidemiological week 40 (1–7 October) in 2018, the governorates reporting the highest number of suspected cases are Al Hudaydah (2475), Amran (2194), Dhamar (1824), Amanat Al Asimah (1467), and Sana’a (1389). (WHO, 25 Oct 2018)