CEREBROSPINAL MENINGITIS OUTBREAK IN NIGERIA
Situation Report
(18th May, 2017)
Highlights
From 13th December, 2016 to 17th May, 2017, a total of 14,005 suspected cases and 1114
deaths (CFR= 8%) of CSM have been reported from 24 States
We have now had 5 weeks of persistent decline in new cases, from a peak of 2,500 per week to
about 250 per week.
Of the 423 laboratory confirmed cases, 309 (73%) were Neisseria meningitidis serogroup C
In the last four weeks (Epi-week 16-19), 42 Local Government Areas (LGAs) have reached
alert/epidemic threshold in five States ? Zamfara, Sokoto, Kano, Katsina and Yobe
Technical teams continue to provide coordination and support response activities in the most
affected States
Epi summary
The first case occurred in Zamfara State during
Epidemiology Week 50 (December 12? 18, 2016)
A total of 14,005 cases with 1114 deaths
(CFR=8.0%) have been reported
Of the reported cases, 901 (6.4%) were
laboratory tested; of which 423 (46.9%) were
confirmed positive for bacterial meningitis
Neisseria meningitides serogroup C remains
the predominant (73%) cause of meningitis
amongst those who tested positive
The 5-14 year age group remains the most affected
with a total of 6542 (46.7%) cases
In the five most affected States ? Zamfara,
Sokoto, Katsina, Yobe and Kano ? a total of 16
LGAs have reached the alert threshold and are
therefore under enhanced surveillance, while 26
LGAs have reached the epidemic threshold, with
full outbreak investigation and control measures
being implemented
Key Indicators Number
Total cases reported 14,005
Total Deaths 1,114
Confirmed cases 423
Total samples tested 901
States that have reported at least one suspected case 24
States with at least one LGA currently in Epidemic 3
States with at least one LGA currently in Alert 4
LGAs in Alert in the last four weeks (wk16 to wk19) 16
LGAs in Epidemic in the last four weeks (wk16 to wk19) 26
Cumulative LGAs ever in Epidemic 34
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http://ncdc.gov.ng/themes/common/files/sitreps/bf8ebe6d8a8187aa9ddf1b39aecda3ae.pdf