YEMEN: cholera outbreak Weekly epidemiology bulletin · 31/07/2017 · 1 Highlights • During...
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1 Highlights • During week 30 (from 23 to 29 July 2017), 32 978 suspected cholera cases and 24 deaths were reported in Yemen. • Since the beginning of this outbreak second wave (from 27 April to 30 July 2017), 430,401 suspected cholera cases, and 1 903 deaths (CFR: 0.4%) have been reported in 21 of the country 23 governorates (91.3%), and in 88.9% of the districts (296/333). • The number of suspected cholera cases started to decline week 27. In some governorates, the decline started even earlier (e.g. week 25 in Amanat Al Asimah) YEMEN: cholera outbreak Weekly epidemiology bulletin Week 30 - 2017
Transcript of YEMEN: cholera outbreak Weekly epidemiology bulletin · 31/07/2017 · 1 Highlights • During...
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Highlights
• Duringweek30(from23to29July2017),32978suspectedcholeracasesand24deathswerereportedinYemen.
• Sincethebeginningofthisoutbreaksecondwave(from27Aprilto30July2017),430,401suspectedcholeracases,and1903deaths(CFR:0.4%)havebeenreportedin21ofthecountry23governorates(91.3%),andin88.9%ofthedistricts(296/333).
• Thenumberofsuspectedcholeracasesstartedtodeclineweek27.Insomegovernorates,thedeclinestartedevenearlier(e.g.week25inAmanatAlAsimah)
YEMEN:choleraoutbreakWeeklyepidemiologybulletinWeek30-2017
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GeographicaldistributionofcasesThefivemostaffectedgovernorateswereAlHudaydah,AmanatAlAsimah,Hajjah,AmranandDhamarwith52.9%(227700/430401)ofthecasesreportedsince27April2017.AlMahwitgovernoratehadthehighestattackrate(33.5‰),followedbyAlDhale’eandAmrangovernorates(32.5‰and28.7‰respectively)(seetable1andfigure2).Table1:Numberofcholeracasesandattackratebygovernorate,Yemen,27April–30July2017
Governorate Cases AttackRate(‰)
Al-Hudaydah 53306 15.9
AmanatAlAsimah 52415 15.8
Hajjah 45073 20.3
Amran 43866 28.7
Dhamar 33040 15.6
Ibb 32035 10.5
Taizz 29716 9.8
Sana'a 27535 22.0
AlMahwit 25495 33.5
AlDhale'e 24485 32.5
Abyan 14195 23.2
Aden 12932 13.5
AlBayda 12871 16.7
Raymah 7728 12.2
Lahj 6913 6.6
Al_Jawf 4120 6.4
Ma'areb 2420 6.7Sa'ada 1142 1.3ALMahrah 713 4.4Shabwah 394 0.6Say'on 7 0.0Total 430401 14.5Duringweek30,32978suspectedcasesand24deathsofcholerawerereportedin20governoratesand263districts(seetable2).ThehighestnumbersofcaseswerereportedinDhamarandAlHudaydahgovernorates,andinthedistrictsofKhanfir(Abyangov.,876cases),Utmah(Dhamargov.,657cases,1death),Milhan(AlMahwitgov.,606cases,1death)andDhamarCity(Dhamargov.,561cases).
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Table2:Numberofcholeracasesanddeathsbygovernorate,Yemen,week30-2017
Governorate Cases DeathsDhamar 4170 4Al-Hudaydah 3923 1Amran 3309 -Hajjah 2864 1AlMahwit 2654 4AmanatAlAsimah 2512 -AlDhale'e 2391 -Ibb 1940 5Abyan 1879 -Taizz 1569 2Lahj 1070 -AlBayda 1040 -Sana'a 1028 1Aden 945 -Al_Jawf 582 3Raymah 559 3Ma'areb 239 -Sa'ada 204 -ALMahrah 96 -Shabwah 4 -Total 32978 24
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Thismapshowsthesuspectedcholeraattackrate(‰)perdistrict
Since27April88.9%ofalldistricts(296/333)havebeenaffected.Figure3showsthe45mostaffecteddistrictswhere49.3%(210840/427654)1ofthecaseshavebeenreported.ThehighestnumberofcaseswerereportedinAlHali(AlHudaydahgov.,15370cases,24deaths),Ma’ain(AmanatAlAsimahgov.,10181cases,10deaths),BaniAlHarith(AmanatAlAsimahgov.,9943cases,10deaths),AsSabain(AlAsimahgov.,7923cases,11deaths),andAlHawak(AlHudaydahgov.,7471cases,13deaths).ZulaymatHabur(Amrangov.)andMukayras(AlBaydagov.)hadthehighestattackrates(respectively67.5‰and61.3‰).
12747missingvalues
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Figure4:Epidemiccurvesofmostaffectedgovernoratesanddistricts,Yemen,weeks17-302017
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Casefatalityratio,andageandsexdistributionTable3:Numberofcholeracasesandcasefatalityratio(CFR),Yemen,27April–30July2017
Governorate Numberofcases
Proportionofcases(%)
Numberofdeaths CFR(%)
Al-Hudaydah 53306 12.4 227 0.4AmanatAlAsimah 52415 12.2 60 0.1Hajjah 45073 10.5 359 0.8Amran 43866 10.2 150 0.3Dhamar 33040 7.7 131 0.4Ibb 32035 7.4 241 0.8Taizz 29716 6.9 170 0.6Sana'a 27535 6.4 115 0.4AlMahwit 25495 5.9 125 0.5AlDhale'e 24485 5.7 76 0.3Abyan 14195 3.3 32 0.2Aden 12932 3.0 52 0.4AlBayda 12871 3.0 26 0.2Raymah 7728 1.8 95 1.2Lahj 6913 1.6 17 0.2Al_Jawf 4120 1.0 16 0.4Ma'areb 2420 0.6 4 0.2Sa'ada 1142 0.3 5 0.4ALMahrah 713 0.2 1 0.1Shabwah 394 0.1 1 0.3Say'on 7 0.0 - -Total 430401 100.0 1903 0.4From27Aprilto30July,theoverallcasefatalityratio(CFR)was0.4%(1903/430401).ThehighestCFRwasreportedinRaymahgovernorate(1.2%)(seetable3andfigure5).
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Fortheperiodofweek30,theoverallCFRwas0.1%(32/34978)(seefigure6,mainyaxisislogarithmic).
Themale/femalesexratiowas0.9.Thehighestproportionofcaseswasstillseeninthe15-29yearagegroup(i.e.26.8%).Theproportionofpatientsunder5y.o.isincreasing(21%).Patientsagedunder18yearsoldwere50.1%ofthetotal.Peopleinthe≥60yearsage-groupweremoreatriskofdying(CFR:2.3%),followedbycasesinthe45-59yearagegroup(CFR:0.9%)(seetable4).CFRwasslightlyhigherinmalethaninfemalecases(respectively0.47%and0.42%).Table4:Distributionofcholeracasesanddeathsbyage,Yemen,27April–30July2017
Age(y.o.) Cases Deaths
Male Female Total* %ofcases Male Female Total** CFR(%)
<5 49082 40756 89838 21.0 179 124 303 0.35-14 53168 46912100080 23.4 147 140 287 0.315-29 48860 65900114760 26.8 72 101 173 0.230-44 28265 37756 66021 15.4 110 140 250 0.445-59 13893 17823 31716 7.4 147 129 276 0.9≥60 12074 13374 25448 5.9 306 292 598 2.3Total 205342222521 427863 100.0 961 926 1887 0.4*2538missingvalues **16missingvalues Preparedby:DrXavierdeRadiguèsC:+967738445522
Forfurtherinformation:[email protected]’[email protected]:Thisbulletinisreleasedonceaweek.Ashorterupdateisproposeddaily.YoucanfindthemonEMROwebsite.
