Epidemiological Update on Public Health Emergencies WHO Country Office, Liberia 27 April 2018

Content Public Health Emergencies 1 Lassa fever : Nigeria 2 Cholera: Zimbabwe 3 Cholera : Congo 4 Other Events Under Follow - up Public Health Emergencies

Public Health Emergencies (AFRO) 10 Humanitarian Crises 51 Outbreaks 1 Grade 3 events 7 Grade 1 events 6 Grade 2 events 38 Ungraded events Source: WHO Health Emergencies AFRO week 16 bulletin on outbreaks and public health emergencies

Geographical distribution of Lassa fever cases, Nigeria, Week 16, 2018 Lassa Fever: Nigeria From 1 January 2018 to 15 April 2018: 1,865 suspected cases including 114 deaths Of the total cases reported Confirmed - 416 cases including 105 deaths Probable - 9 1 sample pending CFR in confirmed cases is 25% 21 states have reported at least one confirmed case across 70 LGAs 81% of confirmed cases are from Edo state A total of 4,908 contacts 420 (8.6%) are currently being followed up, 4,476 (91.2%) have completed 21 days 7(0.2%) were lost to follow 78 symptomatic contacts of whom 28 (36%) have tested positive Thirty-seven healthcare workers have been affected Geographical distribution of Lassa fever cases, Nigeria, Week 16, 2018 PUBLIC HEALTH ACTIONS National RRT team continues response in affected states National Lassa fever multi-partner multi-agency EOC continues to coordinate the response activities at all levels  National RRT team batch D continues response in Plateau state support  National Lassa fever multi-partner multi-agency EOC continues to coordinate the response activities at all levels however response has been de-escalated due to continued decline of cases over the past 9 week Source: WHO Health Emergencies AFRO week 16 bulletin on outbreaks and public health emergencies

Cholera: Zimbabwe The outbreak of cholera in the suburbs of Harare, the capital city of Zimbabwe, continues. Since 23 March 2018: 36 suspected cases with three deaths (CFR - 8.3%) have been reported Confirmed - 14 Probable – 2 Suspected -20 Geographical distribution of cholera cases, Zimbabwe, 22 Mar - 20 Apr 2018 Public Health Active surveillance is ongoing in the health facilities and communities Social mobilization is taking place and IEC materials are being distributed WASH) interventions are ongoing Epidemic curve for cholera outbreak in Harare, Zimbabwe, 22 March – 20 April 2018 Active surveillance is ongoing in the health facilities and communities, including tracing for persons who attended funerals of the deceased. All suspected cases had samples taken for laboratory testing. Line lists of cases and deaths are being updated daily. Healthcare workers have been sensitized to enhance early detection of cholera cases at the health facilities. Social mobilization is taking place and information, education and communication (IEC) materials are being distributed, as well as door to door visits, education campaigns and road shows. WHO was formally notified of the cholera outbreak in Harare on 7 April 2018 (by the Ministry of Health) following the death of the index case on 5 April 2018 and subsequent confirmation of Vibrio cholerae serotype Ogawa as the causative agent on 6 April 2018 Source: WHO Health Emergencies AFRO week 16 bulletin on outbreaks and public health emergencies

Cholera: Congo Geographical distribution of cholera cases, Congo, 18 March – 19 April 2018 On 18 March 2018: Congo has been experiencing a new outbreak of cholera. On 22 March 2018: the Congo MoH reported a suspected cholera outbreak in Likouala Department north of the Country As of 19 April 2018: of 46 cases including 2 deaths (CFR – 4.4%) A total of six stool were obtained and shipped to the LNSP in Brazzaville for testing The three stool samples were tested positive for Vibrio cholerae serogroup 01 on rapid diagnostic test (RDT) PUBLIC HEALTH ACTIONS National rapid response teams have been deployed IEC materials on cholera Active surveillance is ongoing in the health facilities and communities Source: WHO Health Emergencies AFRO week 16 bulletin on outbreaks and public health emergencies

Other Events Under Follow-up Measles: Algeria From January 25 – April 20, 2018: 2,320 cases including 5 deaths have been reported from 13 wilayas Cholera : DRC From week 1 to 16 of 2018: 6,080 cases including 140 deaths(CFR: 2.3%) In week 8,571 new cases and 22 deaths reported, From 1 January 2017 –April 15, 2018: 60,492 cases including 1,288 deaths (CFR; 2.1%) have been reported Measles: DRC This is an ongoing outbreak since the beginning of 2017. As of week 16 in 2018: 48,326 cases including 563 deaths (CFR 1.2%) Since 2018: 3,404 cases including 30 deaths (0.9%) were reported.

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