TITLE: 2017/2018 CEREBRO-SPINAL MENINGITIS OUTBREAK IN … · 2018. 2. 2. · Sankalawa and...
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TITLE: 2017/2018 CEREBRO-SPINAL MENINGITIS OUTBREAK IN NIGERIA SERIAL NUMBER: 5 EPI-WEEK: 3 DATE: January 25, 2018 HIGHLIGHTS • NCDC and partners are currently implementing the 2017/2018 preparedness and response plan through the multi-agency CSM Emergency Operations Centre (EOC). This is the fifth situation report. • Isolated cases were detected from September 2017, and each followed up. • Given the known epidemic season and increasing number of reported cases, a multi-agency CSM Emergency Operations Centre (EOC) was activated to alert mode on the 4 th of December, 2017 (Week 49) to proactively coordinate response. • Beginning from September 1, 2017 to January 25, 2018, a total of 481 suspected cases have been reported from twelve States –Zamfara (257), Katsina (86), Sokoto (41), Jigawa (29), Bauchi (20), Cross River (17), Kebbi (12), Yobe (9), Kano (4), Borno (3), Adamawa (2) and Kaduna (1). • Of the 481 suspected cases, 176 (36.6%) samples have been collected and tested. Of the 176 samples tested, 79 (44.9%) were positive for bacterial meningitis. • Neisseria meningitides C (NmC) accounted for 63.3% (50) of the positive cases. • The first LGA that crossed the alert threshold was Bungudu in Zamfara state in Epi-week 51, 2017. • So far, 82 deaths (CFR=17.0%) have been recorded among all suspected cases. • In the last four weeks (Epi Wk 52 to Epi Wk 3), four wards in Zamfara State (Wonaka in Gusau LGA, Sankalawa and Kotorkoshi in Bungudu LGA and Zurmi in Zurmi LGA), one ward in Bauchi State (Madara Ward in Katagum LGA), one ward in Katsina State (Abadau Kagara in Batsari LGA) and Takwasa in Babura LGA in Jigawa State reached the epidemic threshold. • Reactive vaccination in Kagara ward in Talata Mafara LGA, Zamfara State ended on 22 nd January, 2018 attaining full coverage of the target population. • Media messages have been developed and disseminated by conventional media and social media. • The National Reference Laboratory continues confirmatory testing using PCR and is storing samples in its Biorepository. • NPHCDA has completed a first ICG request for the wards in Zamfara state that have crossed epidemic threshold. Key Indicators Number Total cases reported 481 Total Deaths 82 Confirmed cases 79 Total samples tested 176 States that have reported at least one suspected case 12 LGAs in Alert in the last four weeks (wk52, 2017 to wk3,2018) 2 LGAs in Epidemic in the last four weeks (wk51, 2017 to wk2,2018) 0 Cumulative LGAs ever in Epidemic 0
Transcript of TITLE: 2017/2018 CEREBRO-SPINAL MENINGITIS OUTBREAK IN … · 2018. 2. 2. · Sankalawa and...
…PROTECTINGTHEHEALTHOFNIGERIANS
TITLE: 2017/2018CEREBRO-SPINALMENINGITISOUTBREAKINNIGERIASERIALNUMBER: 5
EPI-WEEK: 3DATE: January25,2018
HIGHLIGHTS
• NCDCandpartnersarecurrentlyimplementingthe2017/2018preparednessandresponseplanthroughthemulti-agencyCSMEmergencyOperationsCentre(EOC).Thisisthefifthsituationreport.
• IsolatedcasesweredetectedfromSeptember2017,andeachfollowedup.• Giventheknownepidemicseasonandincreasingnumberofreportedcases,amulti-agencyCSM
EmergencyOperationsCentre(EOC)wasactivatedtoalertmodeonthe4thofDecember,2017(Week49)toproactivelycoordinateresponse.
• BeginningfromSeptember1,2017toJanuary25,2018,atotalof481suspectedcaseshavebeen reported from twelve States –Zamfara(257), Katsina (86), Sokoto (41), Jigawa (29),Bauchi(20),CrossRiver(17),Kebbi(12),Yobe(9), Kano (4), Borno (3), Adamawa (2) andKaduna(1).
• Of the 481 suspected cases, 176 (36.6%)samples have been collected and tested. Ofthe 176 samples tested, 79 (44.9%) werepositiveforbacterialmeningitis.
• NeisseriameningitidesC(NmC)accountedfor63.3%(50)ofthepositivecases.
• ThefirstLGAthatcrossedthealertthresholdwasBunguduinZamfarastateinEpi-week51,2017.
• Sofar,82deaths(CFR=17.0%)havebeenrecordedamongallsuspectedcases.• In the last fourweeks (EpiWk52 to EpiWk3), fourwards in Zamfara State (Wonaka inGusau LGA,
SankalawaandKotorkoshiinBunguduLGAandZurmiinZurmiLGA),onewardinBauchiState(MadaraWardinKatagumLGA),onewardinKatsinaState(AbadauKagarainBatsariLGA)andTakwasainBaburaLGAinJigawaStatereachedtheepidemicthreshold.
• ReactivevaccinationinKagarawardinTalataMafaraLGA,ZamfaraStateendedon22ndJanuary,2018attainingfullcoverageofthetargetpopulation.
• Mediamessageshavebeendevelopedanddisseminatedbyconventionalmediaandsocialmedia.• TheNationalReferenceLaboratorycontinuesconfirmatorytestingusingPCRand isstoringsamples in
itsBiorepository.• NPHCDAhascompletedafirst ICGrequestforthewards inZamfarastatethathavecrossedepidemic
threshold.
KeyIndicators Number
Totalcasesreported 481
TotalDeaths 82
Confirmedcases 79
Totalsamplestested 176Statesthathavereportedatleastonesuspectedcase 12
LGAsinAlertinthelastfourweeks(wk52,2017towk3,2018) 2
LGAsinEpidemicinthelastfourweeks(wk51,2017towk2,2018) 0
CumulativeLGAseverinEpidemic 0
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Outbreaksummary• BetweenSeptember,2017(Epi-Wk36)andJanuary,2018(Epi-Wk3),atotalof481caseswith82
deaths(CFR=17.0%)havebeenreported.• Ofthereportedcases,176(36.6%)werelaboratorytested;ofwhich79(44.9%)wereconfirmed
positiveforbacterialmeningitis.• NmCisthemaincirculatingstrain50(63.3%)amongstpositivecases.• Themostaffectedgroupis1-15years(74.0%)withmaletofemaleratioof1.5:1.• Inthelastfourweeks,eightwardsfromsevenLGAsinZamfaraState,threewardsfromthreeLGAsin
SokotoState,twowardsfromtwoLGAsinKatsinaState,onewardeachinBornoStateandYobeStatesreachedthealertthreshold.
• NoLGAiscurrentlyinepidemicthreshold.• Outbreakinvestigationandcontrolmeasuresarebeingimplementedintheaffectedstates.
CSMOutbreakEpidemicCurvesasatJanuary25,2018,Nigeria
0102030405060708090100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
National
Alive Dead
0102030405060708090100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Zamfara
Alive Dead
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0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Katsina
Alive Dead
0102030405060708090100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Sokoto
Alive Dead
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0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Jigawa
Alive Dead
0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Bauchi
Alive Dead
0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
CrossRiver
Alive Dead
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0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Kebbi
Alive Dead
0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Yobe
Alive Dead
0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Kano
Alive Dead
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0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Borno
Alive Dead
0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4
2017 2018
Numberofcases
Weekofonset
Adamawa
Alive Dead
0
20
40
60
80
100
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3
2017 2018
Numberofcases
Weekofonset
Kaduna
Alive Dead
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DistributionofcerebrospinalmeningitiscasesinNigeriaasat25thJanuary,2018
020406080100120140160
Lessthan1 1-5 6-10 11-15 16-20 21-25 >25
Numberofcases
Agegroupinyears
AgedistributionofCSMcasesinNigeriaasat25thJanuary,2018
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Distributionofcerebrospinalmeningitiscasesatwardlevelshowingcumulativethresholdsfromepiweek52,2017toepiweek3,2018inNigeria
