Deadly Cerebrospinal Meningitis Outbreak in Nigeria Continues to Spread
Highlights from Nigeria Center for Disease Control (NCDC)
An outbreak of cerebrospinal meningitis (CSM), which started in December 2016, is ongoing in Nigeria.
- As at 22nd April, 2017, of the 9,646 suspected cases reported, 277 (2.9%) were laboratory confirmed, and 839 deaths (CFR=8.7%) recorded. [Latest local reports estimate the death toll to exceed 1,000, including about 350 in the past week alone. Editor]
- In the last four weeks (Epi-Week 12-16), 43 Local Government Areas (LGAs) have reached alert/epidemic threshold in seven States — Zamfara, Sokoto, Katsina, Kebbi, Niger, Yobe and Plateau. […]
- The first outbreak case occurred in Zamfara State during Epidemiology Week 50 (December 12– 18, 2016).
- A total of 9,646 cases with 839 deaths (CFR=8.7%) have been reported.
- Of the reported cases, 566 (5.8%) were laboratory tested; of which 277 (48.9%) were confirmed positive for bacterial meningitis.
- Neisseria meningitides serotype C. was the commonest cause of meningitis amongst those who tested positive
Majority of the suspected cases (48.2%) were in the 5-14 year age group.
- In the six most affected States— Zamfara, Sokoto, Katsina, Yobe, Kebbi, and Niger— a total of 14 LGAs are currently within the alert threshold and are therefore currently under enhanced surveillance, while 29 LGAs have reached the epidemic threshold, with full outbreak investigation and control measures being implemented
Additional Information
An outbreak of the disease killed more than 2,000 people in Nigeria in 2009.
A particularly severe epidemic of meningococcal meningitis (cerebrospinal meningitis, CSM) occurred in Nigeria between January and June 1996. There were 109,580 recorded cases and 11,717 deaths, giving a case fatality rate of 10.7% overall.
Pfizer pays out to Nigerian families of meningitis drug trial victims